Modulation of immune response by non-peptide binding stress response polypeptides

ABSTRACT

A recombinant stress response polypeptide that lacks an antigen binding domain, and methods for using the recombinant stress response polypeptide to elicit an immune response, for example an anti-tumor response, in a subject.

CROSS REFERENCE TO RELATED APPLICATIONS

[0001] This application is based on and claims priority to U.S. Provisional Application Serial No. 60/356,293, filed Feb. 13, 2002, herein incorporated by reference in its entirety.

GRANT STATEMENT

[0002] This work was supported by grant number DK53058 from the United States National Institutes of Health. Thus, the U.S. Government has certain rights in the invention.

TECHNICAL FIELD

[0003] The present invention relates to compositions and methods pertaining to the modulation of an immune response by a stress response polypeptide free of an antigen binding domain. In a preferred embodiment, the present invention relates to a recombinant GRP94 polypeptide free of an antigen binding domain, and therapeutic methods associated therewith. Table of Abbreviations 4T1 mammary carcinoma cells APCs antigen presenting cells BSA bovine serum albumin CD40 APO co-stimulatory molecule CD80 APC co-stimulatory molecule CD86 APC co-stimulatory molecule CD91 Hsp receptor on APCs CTL cytotoxic T lymphocyte(s) DCs dendritic cells DMEM Dulbecco's modified Eagle's medium Endo H endonuclease H ER endoplasmic reticulum ERD-2 Event-Related Desynchronization; an endoplasmic reticulum retention protein Fc antibody antigen-binding fragment GRP94 glucose regulated protein of 94 kDa, ER paralog of the Hsp90 family of chaperones GRPΔKDEL or secreted form of GRP94 GRP94ΔKDEL Hsp(s) heat shock protein(s) Hsp70 any member of the Hsp70 family of heat shock proteins HSP70 heat shock protein of 70 kDa Hsp90 any member of the Hsp90 family of heat shock protein HSP90 heat shock protein of 90 kDa IFN interferon Ig immunoglobulin IGF-1 insulin-like growth factor IgG immunoglobulin G IL interleukin MHC major histocompatability complex MLTC mixed lymphocyte tumor cell assay myc antigenic peptide tag NIH3T3 fibroblast cells NK natural killer cell NTD NH2-terminal geldanamycin-binding domain PAGE polyacrylamide gel electrophoresis PCR Polymerase Chain Reaction PBS phosphate buffered saline pEF/my/cyto vector PNGase-F peptide N-glycosidase F rpm revolutions per minute SDS sodium dodecyl sulfate TNF tumor necrosis factor

BACKGROUND ART

[0004] Modulation of immune response has become an important strategy for combating infection and disease. A significant effort in the design of vaccines and therapeutics has focused on identification of antigens selectively present in tumor cells and pathogen infected-cells. The role of stress response polypeptides (also called chaperone proteins and heat shock proteins) in providing tumor immunity has been attributed to their role as chaperone proteins and the antigenicity of peptides bound thereto.

[0005] Within cell, stress response proteins are bound to diverse peptide antigens, and thus bear the immunological identity of the cell of origin (Udono & Srivastava, 1993; Blachere & Srivastava, 1995; Nieland et al., 1996; Lammert et al., 1997; Spee & Neefjes, 1997; Breloer et al., 1998). Following their release from cells, chaperone-peptide complexes are internalized by professional antigen presenting cells (APCs) via a receptor-mediated process (Arnold-Schild et al., 1999; Wassenberg et al., 1999; Binder et al., 2000a; Castellino et al., 2000; Singh-Jasuja et al., 2000b; Basu et al., 2001). Subsequent to internalization, bound peptides are transferred to major histocompatability molecules for re-presentation and subsequent T lymphocyte activation (Arnold et al., 1995; Suto & Srivastava, 1995; Arnold et al., 1997; Blachere et al., 1997; Schild et al., 1999).

[0006] Despite the importance of antigenic peptides in eliciting an anti-tumor response, the identity of a single or small group of peptides that can confer immunity has remained elusive. Vaccines prepared from cancers, including cancers induced by chemical carcinogens or ultraviolet radiation as well as spontaneous cancers, are immunogenic in syngenic hosts. However, immunity appears to be limited to the cancer of vaccine origin.

[0007] A current interpretation of these data reflects the following: (1) the immunogenicity of cancers results not from one or a few cancer-specific peptides but from a large and complex array of them; (2) the continuous cell division and genomic instability of cancer cells facilitates the accumulation of mutated peptides, which become antigenic by virtue of their presentation by MHC alleles; (3) the randomness of genetic mutation leads to an individually specific “antigenic fingerprint” for each cancer; and (4) the mutational repertoire that becomes immunogenic is incidental to the transformation process. See e.g., Basu & Srivastava (2000) Cell Stress Chaperones 5:443-451.

[0008] In addition to their function as peptide binding proteins, recent results suggest that stress response proteins can also activate expression of co-stimulatory molecules on dendritic cells, which is required to elicit a CTL response (Chen et al., 1999; Todryk et al., 1999; Asea et al., 2000b; Basu et al., 2000; Binder et al., 2000b; Kol et al., 2000; Ohashi et al., 2000; Singh-Jasuja et al., 2000a). Such activities are not dependent on the identity of bound peptide antigens. Thus, the mechanism of action of chaperone-peptide complexes includes both innate and adaptive immune responses.

[0009] Based on the foregoing observations, immunization approaches for eliciting anti-tumor and anti-infective immunity have chaperone-peptide complexes purified from tissue homogenates. Using this strategy, preliminary outcomes in human clinical trials are promising. See Janetzki et al. (2000) Int J Cancer 88:232-238; Amato et al. (1999) ASCO Meeting abstract; Amato et al. (2000) ASCO Meeting abstract; and Eton et al. (2000) Proc Am Assoc Canc Res 41:543.

[0010] Still, there exists a long-felt need in the art to develop safe and broadly applicable immunostimulatory therapies. To meet this need, the present invention provides a stress response polypeptide free of an antigen binding domain. As disclosed herein, administration of a stress response polypeptide to a subject, wherein the stress response polypeptide is free of an antigen binding domain, can elicit both non-specific and specific immune responses.

SUMMARY OF THE INVENTION

[0011] The present invention provides a recombinant stress response polypeptide free of an antigen binding domain. When expressed in a host cell, the recombinant stress response polypeptide polypeptide is transported extracellularly. Alternatively, a recombinant stress response polypeptide of the present invention can be provided extracellularly to a cell in need of treatment.

[0012] A recombinant stress response polypeptide of the present invention can be prepared based on the sequence of a Hsp 60 polypeptide, a Hsp70 polypeptide, a Hsp9O polypeptide, or a calreticulin polypeptide and can be obtained from any organism. In preferred embodiments of the invention, the recombinant stress response polypeptide comprises a recombinant GRP94 polypeptide or a recombinant HSP90 polypeptide.

[0013] A recombinant GRP94 polypeptide of the present invention, wherein the recombinant GRP94 polypeptide lacks an antigen binding site, can comprise: (a)a polypeptide comprising an amino acid sequence of SEQ ID NO:2; (b) a polypeptide substantially identical to SEQ ID NO:2; (c) a polypeptide encoded by a nucleic acid of SEQ ID NO:1; or (d) a polypeptide peptide encoded by a nucleic acid substantially identical to SEQ ID NO:1.

[0014] A recombinant GRP94 polypeptide of the present invention can also comprise: (a) an isolated nucleic acid molecule that hybridizes to a nucleic acid comprising a nucleotide sequence of SEQ ID NO:1 under wash stringency conditions represented by a wash solution having less than about 200 mM salt concentration and a wash temperature of greater than about 45° C., and that encodes a GRP94 polypeptide free of an antigen binding domain; and (b) an isolated nucleic acid differing by at least one functionally equivalent codon from the isolated nucleic acid molecule of (a) above in nucleic acid sequence due to the degeneracy of the genetic code, and that encodes a GRP94 polypeptide encoded by the isolated nucleic acid of (a) above.

[0015] The present invention further provides a composition for eliciting an immune response in a subject. In a preferred embodiment, the composition comprises: (a) an immunostimulatory amount of a recombinant stress response polypeptide free of an antigen binding domain; and (b) a pharmaceutically acceptable carrier.

[0016] Also provided is a method for eliciting an immune response in a subject by administering to a subject a recombinant stress response polypeptide free of an antigenic peptide binding site.

[0017] An immune response elicited by a recombinant stress response polypeptide of the present invention can comprise an innate immune response, an adaptive immune response, or a combination thereof. Preferably, an innate immune response comprises dendritic cell maturation, and an adaptive immune response comprises an anti-tumor or anti-infection response.

[0018] The present invention further provides a method for inhibiting tumor growth in a subject, the method comprising: (a) transfecting a culture of healthy cells with a construct encoding a stress response polypeptide, wherein the stress response polypeptide comprises an extracellularly transported polypeptide when expressed in the healthy cell; and (b) administering to a subject the culture of transfected healthy cells, whereby tumor growth in the subject is inhibited.

[0019] Also provided is a method for inhibiting tumor metastasis in a subject, the method comprising: (a) transfecting a culture of healthy cells with a construct encoding a stress response polypeptide, wherein the stress response polypeptide comprises an extracellularly transported polypeptide when expressed in the healthy cell; and (b) administering to a subject the culture of transfected healthy cells, whereby tumor metastasis in the subject is inhibited.

[0020] Thus, the present invention further provides a method for inhibiting tumor growth via administering to a subject a recombinant stress response polypeptide free of an antigen binding site. Also provided is a method for inhibiting tumor metastases via administering to a subject a recombinant stress response polypeptide free of an antigenic peptide binding site.

[0021] The compositions and methods of the present invention are suitable for administration to any subject in need of treatment, including mammals and humans.

[0022] Accordingly, it is an object of the present invention to provide novel compositions comprising recombinant stress response polypeptides that are useful for eliciting an immune response in a subject. The object is achieved in whole or in part by the present invention.

[0023] An object of the invention having been stated hereinabove, other objects will become evident as the description proceeds when taken in connection with the accompanying Drawings and Laboratory Examples as best described herein below.

BRIEF DESCRIPTION OF THE DRAWINGS

[0024] FIGS. 1A-1J show that vaccination with 4T1 mammary carcinoma cells or NIH3T3 fibroblast cells secreting GRPΔKDEL leads to delayed tumor growth rates and decreased tumor metastasis.

[0025]FIG. 1A is a picture of a polyacrylamide gel showing that transfected, irradiated cells secrete GRPΔKDEL. 4T1 cells were transfected with GRPΔKDEL (T and T,I) or mock-transfected (Mock). At 24 hours post-transfection, cells were either irradiated with 10,000 rads (T,I) or left non-irradiated (Mock and T). At 72 hours post-transfection, cells were metabolically labeled, and GRP94 was recovered from the media by immunoprecipitation. Immunoprecipitated proteins were resolved by SDS-PAGE.

[0026] FIGS. 1B-1I are graphs depicting tumor volume (mm³) or lung weight following vaccination and tumor challenge. Female BALB/c mice were vaccinated weekly for four consecutive weeks by intradermal injection of PBS (negative control), mock-transfected 4T1 cells, GRPΔKDEL-transfected 4T1 cells, mock-transfected NIH3T3 cells, or GRPΔKDEL-transfected NIH3T3 cells. On the fifth week, animals in each group were challenged with 1×10⁶ non-irradiated 4T1 cells by intradermal injection at a remote site. Following sacrifice, lungs were resected from mice in each group and weighed as a measure of tumor metastasis. Tumor volume and lung weight were determined as described in Example 5.

[0027]FIG. 1B is a graph depicting tumor volume (mm³) following vaccination with PBS (negative control). Tumor volume was determined at each of the days following post-transfection, as indicated. Each line represents a growth curve for an individual subject.

[0028]FIG. 1C is a graph depicting tumor volume (mm³) following vaccination with 2-4×10⁶ mock-transfected 4T1 cells. Tumor volume was determined at each of the days following post-transfection, as indicated. Each line represents a growth curve for an individual subject.

[0029]FIG. 1D is a graph depicting tumor volume (mm³) following vaccination with 2-4×10⁶ GRPΔKDEL-transfected 4T1 cells. Tumor volume was determined at each of the days following post-transfection, as indicated. Each line represents a growth curve for an individual subject.

[0030]FIG. 1E is a graph depicting average tumor volume (mm³) following vaccination with PBS (PBS, solid line), mock-transfected 4T1 cells (4T1-Mock, dashed line), or GRPΔKDEL-transfected 4T1 cells (4T1-ΔKDEL, dashed line marked with circles ()). Tumor volume was determined at each of the days following post-transfection, as indicated.

[0031]FIG. 1F is a graph depicting tumor volume (mm³) following vaccination with 2-4×10⁶ mock-transfected NIH3T3 cells. Tumor volume was determined at each of the days following post-transfection, as indicated. Each line represents a growth curve for an individual subject.

[0032]FIG. 1G is a graph depicting tumor volume (mm³) following vaccination with 2-4×10⁶ GRPΔKDEL-transfected NIH3T3 cells. Tumor volume was determined at each of the days following post-transfection, as indicated. Each line represents a growth curve for an individual subject.

[0033]FIG. 1H is a graph depicting average tumor volume (mm³) following vaccination with PBS (PBS, solid line), mock-transfected NIH3T3 cells (NIH-Mock, dashed line), or GRPΔKDEL-transfected NIH3T3 cells (NIH-ΔKDEL, dashed line marked with circles ()). Tumor volume was determined at each of the days following post-transfection, as indicated.

[0034]FIG. 11 is a bar graph depicting average lung weight (g) following vaccination and tumor challenge. Asterisks indicate a significantly lower average lung weight following vaccination with GRPΔKDEL-transfected 4T1 cells or GRPΔKDEL-transfected NIH3T3 cells when compared to controls (p=0.0012 for 4T1-ΔKDEL, p=0.025 for NIH-ΔKDEL by Wilcoxon rank sum test).

[0035]FIG. 1J shows a comparison of the relative levels of GRPΔKDEL secretion by 4T1 and NIH-3T3 cells. Equal numbers (10⁶ cells) of 4T1 or NIH3T3 cells were transfected with GRPΔKDEL (ΔKDEL samples) or mock-transfected (mock samples). 24 hours after transfection, cells were metabolically labeled with [35S] Promix and GRPΔKDEL was recovered from the media by immunoprecipitation. Proteins were resolved by SDS-PAGE on 6% gels andvisualized by Phosphorlmager analysis.

[0036] FIGS. 2A-2F demonstrate that vaccination with 4T1 mammary carcinoma cells secreting GRP(1-337) leads to delayed tumor growth rates and decreased tumor metastasis.

[0037]FIG. 2A is a picture of a polyacrylamide gel of proteins immunoprecipitated with an anti-GRP94 antibody. 4T1 cells were transfected with GRP(1-337) or with GRPΔKDEL, as indicated, or were mock-transfected (Mock). At 24 hours post-transfection, cells were metabolically labeled, conditioned chase media were collected and GRP94 domains were recovered by immunoprecipitation.

[0038] FIGS. 2B-2F are graphs depicting tumor volume (mm³) and lung weight following vaccination and tumor challenge. Female BALB/c mice were vaccinated weekly for four consecutive weeks by intradermal injection of mock-transfected 4T1 cells, GRP(1-337)-transfected 4T1 cells, or PBS (negative control). On the fifth week, animals in each group were challenged with 1×10⁶ non-irradiated 4T1 cells by intradermal injection at a remote site. Following sacrifice, lungs were resected from mice in each group and weighed as a measure of tumor metastasis. Tumor growth volume and lung weight were determined as described in Example 5.

[0039]FIG. 2B is a graph depicting tumor volume (mm³) following vaccination with PBS (negative control). Tumor volume was determined at each of the days following post-transfection, as indicated. Each line represents a growth curve for an individual subject.

[0040]FIG. 2C is a graph depicting tumor volume (mm³) following vaccination with 2-4×10⁶ mock-transfected 4T1 cells. Tumor volume was determined at each of the days following post-transfection, as indicated. Each line represents a growth curve for an individual subject.

[0041]FIG. 2D is a graph depicting tumor volume (mm³) following vaccination with 2-4×10⁶ GRP(1-337)-transfected 4T1 cells. Tumor volume was determined at each of the days following post-transfection, as indicated. Each line represents a growth curve for an individual subject.

[0042]FIG. 2E is a graph depicting average tumor volume (mm³) following vaccination with PBS (PBS, solid line), mock-transfected 4T1 cells (4T1-Mock, dashed line), or GRPΔKDEL-transfected 4T1 cells (4T1-GRP(1-337), dotted line). Tumor volume was determined at each of the days following post-transfection, as indicated.

[0043]FIG. 2F is a bar graph depicting average lung weight (g) following vaccination and tumor challenge. Asterisks indicate a significantly lower average lung weight following vaccination with GRP(1-337)-transfected 4T1 cells or when compared to controls (p=0.00031 for 4T1-GRP(1-337) by Wilcoxon rank sum test).

[0044] FIGS. 3A-3C demonstrate that GRP94ΔKDEL and GRP(1-337) elicit dendritic cell maturation following secretion from NIH3T3 fibroblast cells. Conditioned media were prepared from mock-transfected NIH3T3 cells and from NIH3T3 cells transfected with GRPΔKDEL. Conditioned media were collected for 72 hours following transfection and incubated with day 6 dendritic cells (DCs). On day 7, DCs were collected, stained with PE-conjugated anti-CD86 antibody, and analyzed by flow cytometry. Relative cell number was determined using FACSCANTM software (Becton, Dickinson & Company of Franklin Lakes, N.J., United States of America) and CELLQUESTTM software (Becton, Dickinson & Company of Franklin Lakes, N.J., United States of America) as described in Example 7.

[0045]FIG. 3A is a log plot of relative cell number of DCs incubated in media alone (dashed line) or in media plus 100 ng/ml LPS (solid line).

[0046]FIG. 3B is a log plot of relative cell number of DCs incubated in conditioned media prepared from mock-transfected NIH3T3 cells (dashed line) or in conditioned media prepared from GRPΔKDEL-transfected NIH3T3 cells (solid line).

[0047]FIG. 3C is a log plot of relative cell number of DCs incubated in conditioned media prepared from mock-transfected NIH3T3 cells (dashed line) or in conditioned media prepared from GRP(1-337)-transfected NIH3T3 cells (solid line).

[0048] FIGS. 4A-4E show that GRPΔKDEL and GRP94 NH2-terminal domain secreted by syngeneic KBALB fibroblasts yield suppression of 4T1 tumor growth and metastasis. Female BALB/c mice were immunized with PBS or with irradiated, mock-transfected, GRPΔKDEL-transfected, or GRP94 NTD-transfected KBALB fibroblasts as indicated. Animals were then challenged with unirradiated 4T1 cells as described in the Examples, and tumor volumes were followed over time. Tumor growth curves for individual mice in each group are shown in FIGS. 4A-4D and average tumor volumes with standard error are shown in FIG. 4E.

[0049]FIG. 4F shows that GRPΔKDEL or GRP94 NH2-terminal domain secretion from K-BALB fibroblasts yields decreased tumor metastasis. After animals were killed, lungs were resected from mice as shown in FIGS. 4A-4E and weighed. Average weights with standard error are shown, with groups differing significantly from PBS control denoted by an asterisk (P≦0.0003 for KBALBΔKDEL and P≦0.0002 for KBALBNTD).

[0050]FIG. 4G shows a comparison of GRPΔKDEL and GRP94 NTD secretion by 4T1 and KBALB cells. Equal numbers (10⁶ cells) of 4T1 KBALB cells were transfected with GRPΔKDEL (ΔKDEL samples), GRP94 NH2-terminal domain (NTD samples) or mock-transfected (mock samples). 24 hours after transfection, cells were metabolically labeled with [35S] Promix and GRP94 species were recovered from the media by immunoprecipitation. Proteins were resolved by SDS-PAGE on 12.5% gels and visualized by Phosphorlmager analysis.

BRIEF DESCRIPTION OF SEQUENCES IN THE SEQUENCE LISTING

[0051] Odd-numbered SEQ ID NOs:1-21 are nucleotide sequences described in Table 1.

[0052] Even-numbered SEQ ID NOs:2-22 are protein sequences encoded by the immediately preceding nucleotide sequence, e.g., SEQ ID NO:2 is the protein encoded by the nucleotide sequence of SEQ ID NO:1, SEQ ID NO:4 is the protein encoded by the nucleotide sequence of SEQ ID NO:3, etc.

[0053] SEQ ID NO:23 is a polypeptide sequence comprising an endoplasmic reticulum retention signal.

[0054] SEQ ID NOs:24-27 are PCR primers. TABLE 1 Sequence Listing Summary SEQ ID NO. description 1-2 canine GRP94 N-terminal region 3-4 human HSP90 N-terminal region 5-6 canine GRP94 7-8 human HSP90  9-10 human HSP70 11-12 human HSP60 13-14 human calreticulin 15-16 canine GRP94 antigen-binding domain 17-18 human HSP90 antigen-binding domain 19-20 human HSP70 antigen-binding domain 21-22 secreted GRP94 23 KDEL 24 primer 1 25 primer 2 26 primer 3 27 primer 4

DETAILED DESCRIPTION OF THE INVENTION

[0055] I. Stress Response Polypeptides

[0056] The present invention provides a recombinant stress response polypeptide free of an antigen binding domain. Also disclosed are compositions comprising a recombinant stress response polypeptide. The disclosed polypeptides are useful for eliciting immune responses, including innate and adaptive responses, as described further herein below.

[0057] The term “recombinant” generally refers to an isolated nucleic acid that is replicable in a non-native environment. Thus, a recombinant nucleic acid can comprise a non-replicable nucleic acid in combination with additional nucleic acids, for example vector nucleic acids, that enable its replication in a host cell.

[0058] The term “recombinant” as used herein also refers to a modified stress response polypeptide, wherein the modifications eliminate one or more antigen binding domains of a stress response polypeptide and/or direct its secretion from a host cell.

[0059] The terms “stress response polypeptide,” “stress response protein,” “chaperone protein,” “chaperone polypeptide,” “heat shock protein,” and “heat shock polypeptide” are used interchangeably to refer to a polypeptide involved in directing the proper folding and trafficking of newly synthesized proteins and in conferring protection to the cell during conditions of heat shock, oxidative stress, hypoxic/anoxic conditions, nutrient deprivation, other physiological stresses, and disorders or traumas that promote such stress conditions such as, for example, stroke and myocardial infarction. See e.g., Santoro (2000) Biochem Pharmacol 59:55-63; Feder & Hofmann (1999) Annu Rev Physiol 61:243-282; Robert et al. (2001) Adv Exp Med Biol 484:237-249; and Whitley et al. (1999) J Vasc Surg 29:748-751.

[0060] A recombinant stress response polypeptide of the present invention can be prepared based on the sequence of a stress response protein of any organism, including but not limited to a GRP94 polypeptide, a Hsp 90 polypeptide, a Hsp70 polypeptide, a Hsp60 polypeptide. A recombinant stress response polypeptide of the invention can also be derived from a calreticulin polypeptide. In a preferred embodiment of the invention, the recombinant stress response polypeptide comprises a recombinant GRP94 polypeptide.

[0061] The term “Hsp90 protein” refers to any of the Hsp90 class of molecular chaperones and to polypeptides substantially identical to a Hsp90 polypeptide, as defined herein below. The term “Hsp90” also encompasses any of the Grp94 class of molecular chaperones found in endoplasmic reticulum and to polypeptides substantially identical to a Grp94 polypeptide, as defined herein below.

[0062] The term “HSP90 protein” refers to an individual member of the Hsp90 class, exemplified by human HSP90, which is set forth as SEQ ID NO:8 and is encoded by a nucleic acid of SEQ ID NO:7.

[0063] The term “GRP94 protein” refers to an individual member of the Grp94 class, exemplified by canine GRP94, which is set forth as SEQ ID NO:6 and is encoded by a nucleic acid of SEQ ID NO:5.

[0064] The term “Hsp70 protein” is meant to refer to any of the Hsp70 class of molecular chaperones and to polypeptides substantially identical to a Hsp70 polypeptide, as defined herein below. A representative Hsp70 polypeptide is set forth as SEQ ID NO:10, which is encoded by a nucleic acid of SEQ ID NO:9.

[0065] The term “Hsp60 protein” is meant to refer to any of the Hsp60 class of molecular chaperones and to polypeptides substantially identical to a Hsp60 polypeptide, as defined herein below. A representative Hsp60 polypeptide is set for as SEQ ID NO:12, which is encoded by a nucleic acid of SEQ ID NO:11.

[0066] The term “calreticulin” refers to any of the class of endoplasmic reticulum proteins that comprise a calreticulin polypeptide or a polypeptide substantially identical to a calreticulin polypeptide, as defined herein below. A representative calreticulin polypeptide is set for as SEQ ID NO: 14.

[0067] I.A. Antigen Binding Domain

[0068] The present invention is markedly distinguished from current perception in the art as to the mechanism for therapy mediated by administration of a stress response polypeptide. In current views, the therapeutic activity of stress response proteins is thought to rely on the antigen binding role of the stress response protein. See e.g., Basu & Srivastava (2000) Cell Stress Chaperones 5:443-451. Recent studies have also uncovered stress response protein functions that do not require antigen binding and that appear to facilitate the antigen-specific, immunostimulatory functions of HSP-antigen complexes. However, these studies do not show or suggest a therapeutic benefit of a stress response polypeptide lacking an antigen binding domain.

[0069] Thus, the present invention provides a novel composition comprising a stress response polypeptide free of an antigen binding domain. Unexpectedly, compositions of the present invention can elicit innate and immune responses as well as other responses that reduce tumor growth and metastatic progression. While inventors do not intend to be limited to any particular theory of operation, such other responses can include an adaptive immune response.

[0070] The term “antigen” refers to a substance that activates lymphocytes (positively or negatively) by interacting with T cell or B cell receptors. Positive activation leads to immune responsiveness, and negative activation leads to immune tolerance. An antigen can comprise a protein, a carbohydrate, a lipid, a nucleic acid, or combinations thereof. An antigen can comprise a heterologous or autologous antigen (self antigen).

[0071] The term “heterologous antigen” refers to an antigen that is typically not found in a host subject. For example, an antigen derived from a pathogen is heterologous to a healthy human subject.

[0072] The term “self antigen” or “autoantigen” are used interchangeably herein and each refer to an autologous substance that behaves as an antigen. For example, necrotic cells can comprise an autologous antigen.

[0073] Heterologous and autologous antigens can further comprise an immune complex, for example a peptide that endogenously associates with a stress response protein in vivo (e.g., in infected cells or pre-cancerous or cancerous tissue). The term “antigen” can also comprise an exogenous antigen/immunogen (i.e., not complexed with GRP94 or HSP90 in vivo).

[0074] The tem “antigenic binding domain” refers to a portion of a stress response polypeptide that specifically binds an antigenic molecule. Methods for determining antigen binding activity of a stress response polypeptide are known in the art.

[0075] To assay antigen binding activity, stress response proteins can be purified from a biological sample by standard methods. See e.g., Whitley et al. (1999) J Vasc Surg 29:748-751; Walter & Blobel (1983) Methods Enzymol 96:84-93. Alternatively, stress response proteins can be recombinantly produced by heterologous expression of a nucleic acid encoding a stress response protein in a host cell.

[0076] The peptide binding activity of isolated stress response proteins can be determined by detection of bound antigens using any suitable method. For example, peptide antigens bound to purified stress response proteins can be eluted by acid extraction (Li & Srivastava, 1993), and eluted peptides can be detected by mass spectrometry. See Chapman (2000) Mass Spectrometry of Protein and Peptides. Humana Press, Totowa, N.J., United States of America. Antigens used in binding assays can also be labeled to facilitate detection of antigens bound to a stress response protein. Representative methods are described by Wearsch & Nicchitta (1997) J Biol Chem 272:5152-5156 and Suto & Srivastava (1995) Science 269:1585-1588.

[0077] An antigen binding domain of a stress response polypeptide can be mapped by analysis of recombinant stress response polypeptide variants using the peptide-binding assays summarized above. For example, stress response polypeptide fragments can be generated by expression of nucleic acids encoding a stress response polypeptide. Such modifications can include but are not limited to truncation, deletion, and mutagenesis. Standard recombinant DNA and molecular cloning techniques used to prepare nucleic acids encoding polypeptide variants are known in the art. Exemplary, non-limiting methods are described by Sambrook et al. (eds.) (1989) Molecular Cloning: A Laboratory Manual. Cold Spring Harbor Laboratory Press, Cold Spring Harbor; Silhavy et al. (1984) Experiments with Gene Fusions. Cold Spring Harbor Laboratory, Cold Spring Harbor, N.Y.; Glover & Hames (1995) DNA Cloning: A Practical Approach, 2nd ed. IRL Press at Oxford University Press, Oxford/N.Y.; Ausubel (ed.) (1995) Short Protocols in Molecular Biology, 3rd ed. Wiley, New York.

[0078] An antigen binding domain of a stress response protein can also be mapped by constructing a model based on crystallographic data of a stress response protein bound to an antigen. Programs such as RASMOL (Biomolecular Structures Group, Glaxo Wellcome Research & Development Stevenage, Hertfordshire, United Kingdom Version 2.6, August 1995, Version 2.6.4, December 1998, Copyright© Roger Sayle 1992-1999) can be used with the atomic structural coordinates from crystals generated by practicing the invention or used to practice the invention by generating three-dimensional models and/or determining the structures involved in antigen binding.

[0079] Using the methods described herein above, the antigen binding domains of several stress response proteins has been determined. For example, the peptide binding domain of GRP94 was mapped to a region near the carboxyl end of the protein (SEQ ID NO:16) (Linderoth et al., 2000). A highly conserved region was also identified in Hsp90 stress response proteins (e.g., SEQ ID NO:18).

[0080] The antigen binding domain of Hsp70 proteins and bacterial DnaK similarly maps to the carboxyl terminal half of the protein (Chappell et al., 1987; Wang et al., 1993; Gragerov et al., 1994; Zhu et al., 1996). A representative Hsp70 antigen binding domain is set forth as SEQ ID NO:20.

[0081] Based on the highly conserved nature of stress response proteins, an antigen binding domain can also be defined by determining a polypeptide domain that is substantially identical to a known antigen binding domain. Thus, a recombinant stress response polypeptide of the present invention specifically lacks an antigen binding domain, wherein the antigen binding domain binds an antigen and further comprises: (a) a polypeptide comprising an amino acid sequence of any one of even-numbered SEQ ID NOs:16-22; (b) a polypeptide substantially identical to any one of even-numbered SEQ ID NOs:16-22; (c) a polypeptide encoded by a nucleic acid of any one of odd-numbered SEQ ID NOs:15-21; or (d) a polypeptide peptide encoded by a nucleic acid substantially identical to any one of odd-numbered SEQ ID NOs:15-21. The term “substantially identical,” as used herein to describe nucleic acids and polypeptides is defined herein below.

[0082] Similarly, stress response polypeptide of the present invention can also comprise a polypeptide free of an antigen binding domain, wherein the antigen binding domain binds an antigen and further comprises a polypeptide comprising: (a) an isolated nucleic acid molecule that hybridizes to a nucleic acid comprising a nucleic acid of any one of odd-numbered SEQ ID NOs:15-21 under wash stringency conditions represented by a wash solution having less than about 200 mM salt concentration and a wash temperature of greater than about 45° C., and that encodes a GRP94 polypeptide free of an antigen binding domain; and (b) an isolated nucleic acid differing by at least one functionally equivalent codon from the isolated nucleic acid molecule of (a) above in nucleic acid sequence due to the degeneracy of the genetic code, and that encodes an antigen binding domain encoded by the isolated nucleic acid of (a) above.

[0083] I.B. Extracellular Transport

[0084] Stress response proteins can perform an immunostimulatory response when present in the extracellular milieu or expressed on the cell surface. For example, immunization of tumor-derived HSP-peptide complexes have been shown to elicit potent CTL (CD8+) and T-helper (CD4+) cell-mediated responses that result in the reduction of tumor burden (Tamura et al., 1997). In addition, treatment of antigen-presenting cells with HSP70, HSP90, or GRP94 was shown to induce potent cytokine production in macrophages (Chen et al., 1999; Kol et al., 1999; Asea et al., 2000a). Further, exogenous stress response protein is also correlated with an increased sensitivity to NK cell-mediated killing (Botzler et al., 1996a; Botzler et al., 1996b; Multhoff et al., 1997).

[0085] In a heretofore unrecognized approach, the present invention provides a recombinant stress response polypeptide that is transported extracellularly when expressed in a host cell. The host cell can comprise a cell in vivo, for example a cell in need of treatment or a cell that can assist in treatment of cells in need thereof. The host cell can also comprise a cell of a heterologous expression system, for example a cell maintained in vitro for the production of a stress response polypeptide that can be isolated and thereafter administered to a subject in need of treatment. Methods for expression of a stress response polypeptide are described further herein below.

[0086] The term “extracellular transport” refers to localization of a recombinant stress polypeptide at the cell exterior. Thus, the term “extracellular transport” encompasses insertion in a cell membrane, tethering to a cell membrane via a membranous anchor, any other association with the cell membrane, and/or secretion from a host cell.

[0087] The term “heterologous expression system” refers to a host cell comprising a heterologous nucleic acid and the polypeptide encoded by the heterologous nucleic acid. For example, a heterologous expression system can comprise a host cell transfected with a construct comprising a recombinant nucleic acid, or a cell line produced by introduction of heterologous nucleic acids into a host cell genome.

[0088] Recombinant expression of a heterologous stress response polypeptide can be variably accomplished by employing any suitable construct design, representative approaches being described herein below.

[0089] The term “recombinant” generally refers to an isolated nucleic acid that is replicable in a non-native environment. Thus, a recombinant nucleic acid can comprise a non-replicable nucleic acid in combination with additional nucleic acids, for example vector nucleic acids, that enable its replication in a host cell.

[0090] The term “vector” is used herein to refer to a nucleic acid molecule having nucleotide sequences that enable its replication in a host cell. A vector can also include nucleotide sequences to permit ligation of nucleotide sequences within the vector, wherein such nucleotide sequences are also replicated in a host cell. Representative vectors include plasmids, cosmids, and viral vectors. A vector can also mediate recombinant production of a stress response polypeptide, as described further herein below.

[0091] The term “construct”, as used herein to describe an expression construct, refers to a vector further comprising a nucleotide sequence operatively inserted with the vector, such that the nucleotide sequence is expressed. To enable expression, the nucleotide sequence to be expressed is operatively linked to a promoter region.

[0092] The term “operatively linked”, as used herein, refers to a functional combination between a promoter region and a nucleotide sequence such that the transcription of the nucleotide sequence is controlled and regulated by the promoter region. Techniques for operatively linking a promoter region to a nucleotide sequence are known in the art.

[0093] A stress response polypeptide can be expressed under the direction of any suitable promoter, including both constitutive promoters, inducible promoters, and tissue-specific promoters. Representative inducible promoters include chemically regulated promoters (e.g., the tetracycline-inducible expression system, (Gossen & Bujard, 1992; Gossen & Bujard, 1993; Gossen et al., 1995), a radiosensitive promoter (e.g., the egr-1 promoter, (Weichselbaum et al., 1994; Joki et al., 1995)), and heat-responsive promoters (Csermely et al., 1998; Easton et al., 2000; Ohtsuka & Hata, 2000). For expression of a stress response polypeptide in host cells in vivo, a tissue-specific promoter can also be used, for example the CEA promoter, which is selectively expressed in cancer cells (Hauck & Stanners, 1995; Richards et al., 1995).

[0094] A construct for expression of a stress response polypeptide of the present invention is also designed to achieve extracellular transport of the stress response polypeptide. This can be accomplished by any suitable method known in the art. Representative approaches are described herein below.

[0095] Secretion can be facilitated by mutating or eliminating portions of the heat shock protein that serve to retain the heat shock protein in the cell. For example, a sequence for retention in the endoplasmic reticulum, such as KDEL (SEQ ID NO:23) or a functionally similar sequence recognized by the erd-2 receptor, can be deleted as described in Example 1. Alternatively, retention of a stress response polypeptide in the endoplasmic reticulum can be blocked by provision of an agent that interferes with binding of the stress response polypeptide to erd-2) or by masking the retention signal sequence. See e.g., Munro & Pelham (1987) Cell 48:899-907.

[0096] A stress response polypeptide can also be targeted for extracellular transport by fusion of the encoded polypeptide to a signal peptide domain (von Heijne, 1990; Martoglio & Dobberstein, 1998; von Heijne, 1998). For example, fusion of a stress response polypeptide to an immunoglobulin Fc region can direct secretion of the polypeptide. See e.g., Yamazaki et al. (1999) J Immunol 163:5178-5182. Alternatively, a signal peptide can further comprise a transmembrane domain to direct insertion of the polypeptide in the cellular membrane. See e.g., Simonova et al. (1999) Biochem Biophys Res Commun 262:638-642 and Zheng et al. (2001) J Immunol 167:6731-6735.

[0097] Membrane localization can also be mediated by design of a stress response polypeptide comprising a domain that binds to lipid ligands embedded in the cell membrane, for example a pleckstrin homology domain, a protein kinase C homology-1 or -2 domain, and a FYVE domain. See Lemmon & Ferguson (2000) Biochem J 350 Pt 1:1-18; Johnson et al. (2000) Biochemistry 39:11360-11369; and Hurley & Misra (2000) Annu Rev Biophys Biomol Struct 29:49-79.

[0098] I.C. Polypeptides

[0099] In one embodiment, the present invention provides a construct encoding a stress response polypeptide free of an antigen binding domain. The present invention also provides a recombinantly expressed and isolated stress response polypeptide free of an antigen binding domain. Representative stress response polypeptides free of an antigen binding domain are set forth as SEQ ID NOs:2 and 4.

[0100] The term “substantially identical”, as used herein to describe a level of similarity between a stress response polypeptide and a protein substantially identical to a stress response polypeptide, refers to a sequence that is at least 35% identical to any one of even-numbered SEQ ID NOs:16-22 and that lacks an antigen binding domain. Preferably, a protein substantially identical to a stress response polypeptide comprises an amino acid sequence that is at lease about 35% to about 45% identical to any one of even-numbered SEQ ID NOs:16-22, more preferably at least about 45% to about 55% identical to any one of even-numbered SEQ ID NOs:16-22, and even more preferably at least about 55% to about 65% identical to any one of even-numbered SEQ ID NOs:16-22, wherein the polypeptide is free of an antigen binding domain. Methods for determining percent identity are defined herein below under the heading “Nucleotide and Amino Acid Sequence Comparisons.”

[0101] Substantially identical polypeptides also encompass two or more polypeptides sharing a conserved three-dimensional structure. Computational methods can be used to compare structural representations, and structural models can be generated and easily tuned to identify similarities around important active sites or ligand binding sites. See Saqi et al. (1999) Bioinformatics 15:521-522; Barton (1998) Acta Crystallogr D Biol Crystallogr 54:1139-1146; Henikoff et al. (2000) Electrophoresis 21:1700-1706; and Huang et al. (2000) Pac Symp Biocomput:230-241.

[0102] Substantially identical proteins also include proteins comprising amino acids that are functionally equivalent to amino acids of any one of even-numbered SEQ ID NOs:16-22. The term “functionally equivalent” in the context of amino acid sequences is known in the art and is based on the relative similarity of the amino acid side-chain substituents. See Henikoff & Henikoff (2000) Adv Protein Chem 54:73-97. Relevant factors for consideration include side-chain hydrophobicity, hydrophilicity, charge, and size. For example, arginine, lysine, and histidine are all positively charged residues; alanine, glycine, and serine are all of similar size; and phenylalanine, tryptophan, and tyrosine all have a generally similar shape. By this analysis, described further herein below, arginine, lysine, and histidine; alanine, glycine, and serine; and phenylalanine, tryptophan, and tyrosine; are defined herein as biologically functional equivalents.

[0103] In making biologically functional equivalent amino acid substitutions, the hydropathic index of amino acids can be considered. Each amino acid has been assigned a hydropathic index on the basis of their hydrophobicity and charge characteristics, these are: isoleucine (+4.5); valine (+4.2); leucine (+3.8); phenylalanine (+2.8); cysteine (+2.5); methionine (+1.9); alanine (+1.8); glycine (−0.4); threonine (−0.7); serine (−0.8); tryptophan (−0.9); tyrosine (−1.3); proline (−1.6); histidine (−3.2); glutamate (−3.5); glutamine (−3.5); aspartate (−3.5); asparagine (−3.5); lysine (−3.9); and arginine (−4.5).

[0104] The importance of the hydropathic amino acid index in conferring interactive biological function on a protein is generally understood in the art (Kyte & Doolittle, 1982). It is known that certain amino acids can be substituted for other amino acids having a similar hydropathic index or score and still retain a similar biological activity. In making changes based upon the hydropathic index, the substitution of amino acids whose hydropathic indices are within ±2 of the original value is preferred, those which are within ±1 of the original value are particularly preferred, and those within ±0.5 of the original value are even more particularly preferred.

[0105] It is also understood in the art that the substitution of like amino acids can be made effectively on the basis of hydrophilicity. U.S. Pat. No. 4,554,101 describes that the greatest local average hydrophilicity of a protein, as governed by the hydrophilicity of its adjacent amino acids, correlates with its immunogenicity and antigenicity, e.g., with a biological property of the protein. It is understood that an amino acid can be substituted for another having a similar hydrophilicity value and still obtain a biologically equivalent protein.

[0106] As detailed in U.S. Pat. No. 4,554,101, the following hydrophilicity values have been assigned to amino acid residues: arginine (+3.0); lysine (+3.0); aspartate (+3.0±1); glutamate (+3.0±1); serine (+0.3); asparagine (+0.2); glutamine (+0.2); glycine (0); threonine (−0.4); proline (−0.5±1); alanine (−0.5); histidine (−0.5); cysteine (−1.0); methionine (−1.3); valine (−1.5); leucine (−1.8); isoleucine (−1.8); tyrosine (−2.3); phenylalanine (−2.5); tryptophan (−3.4).

[0107] In making changes based upon similar hydrophilicity values, the substitution of amino acids whose hydrophilicity values are within ±2 of the original value is preferred, those which are within ±1 of the original value are particularly preferred, and those within ±0.5 of the original value are even more particularly preferred.

[0108] The term “substantially identical” also encompasses polypeptides that are biologically functional equivalents. The term “functional” includes activity of a stress response polypeptide free of an antigen binding domain in eliciting an immune response or an anti-cancer response, as described herein. Methods for assessing an immune response or an anti-cancer response are described in the Examples.

[0109] The present invention also provides functional fragments of a stress response polypeptide free of an antigen binding domain. For example, a functional portion need not comprise all or substantially all of an amino acid sequence of any one of even-numbered SEQ ID NOs:16-22.

[0110] The present invention also includes functional polypeptide sequences that are longer sequences than that of a stress response polypeptide free of an antigen binding domain. For example, one or more amino acids can be added to the N-terminus or C-terminus of a stress response polypeptide. Methods of preparing such proteins are known in the art.

[0111] I.D. Nucleic Acids

[0112] The terms “nucleic acid molecule” and “nucleic acid” each refer to deoxyribonucleotides or ribonucleotides and polymers thereof in single-stranded, double-stranded, or triplexed form. Unless specifically limited, the term encompasses nucleic acids containing known analogues of natural nucleotides that have similar properties as the reference natural nucleic acid. The terms “nucleic acid molecule” and “nucleic acid” can also be used in place of “gene”, “cDNA”, or “mRNA”. Nucleic acids can be synthesized, or can be derived from any biological source, including any organism.

[0113] The term “substantially identical”, as used herein to describe a degree of similarity between nucleotide sequences, refers to two or more sequences that have at least about least 60%, preferably at least about 70%, more preferably at least about 80%, more preferably about 90% to about 99%, still more preferably about 95% to about 99%, and most preferably about 99% nucleotide identity, when compared and aligned for maximum correspondence, as measured using a sequence comparison algorithm (described herein below under the heading “Nucleotide and Amino Acid Sequence Comparisons”) or by visual inspection. Preferably, the substantial identity exists in nucleotide sequences of at least about 100 residues, more preferably in nucleotide sequences of at least about 150 residues, and most preferably in nucleotide sequences comprising a full length coding sequence. The term “full length”, as used herein refers to a complete open reading frame encoding a functional stress response polypeptide free of an antigen binding domain (representative embodiments set forth as SEQ ID NOs:2 and 4. Preferred full-length nucleic acids encoding a stress response polypeptide free of an antigen binding site are set forth as SEQ ID NOs:1 and 3.

[0114] In one aspect, substantially identical sequences can comprise polymorphic sequences. The term “polymorphic” refers to the occurrence of two or more genetically determined alternative sequences or alleles in a population. An allelic difference can be as small as one base pair.

[0115] In another aspect, substantially identical sequences can comprise mutagenized sequences, including sequences comprising silent mutations. A mutation can comprise a single base change.

[0116] Another indication that two nucleotide sequences are substantially identical is that the two molecules specifically or substantially hybridize to each other under stringent conditions. In the context of nucleic acid hybridization, two nucleic acid sequences being compared can be designated a “probe” and a “target”. A “probe” is a reference nucleic acid molecule, and a “target” is a test nucleic acid molecule, often found within a heterogeneous population of nucleic acid molecules. A “target sequence” is synonymous with a “test sequence”.

[0117] A preferred nucleotide sequence employed for hybridization studies or assays includes probe sequences that are complementary to or mimic at least an about 14 to 40 nucleotide sequence of a nucleic acid molecule of the present invention. Preferably, probes comprise 14 to 20 nucleotides, or even longer where desired, such as 30, 40, 50, 60, 100, 200, 300, or 500 nucleotides or up to the full length of any one of odd-numbered SEQ ID NOs:1-21. Such probes can be readily prepared by, for example, chemical synthesis of the fragment, by application of nucleic acid amplification technology, or by introducing selected sequences into recombinant vectors for recombinant production.

[0118] The phrase “hybridizing specifically to” refers to the binding, duplexing, or hybridizing of a molecule only to a particular nucleotide sequence under stringent hybridization and wash conditions when that sequence is present in a complex nucleic acid mixture (e.g., total cellular DNA or RNA).

[0119] The phrase “hybridizing substantially to” refers to complementary hybridization between a probe nucleic acid molecule and a target nucleic acid molecule and embraces minor mismatches that can be accommodated by reducing the stringency of the hybridization media to achieve the desired hybridization.

[0120] “Stringent hybridization conditions” and “stringent hybridization wash conditions” in the context of nucleic acid hybridization experiments such as Southern and Northern blot analysis are both sequence- and environment-dependent. Longer sequences hybridize specifically at higher temperatures. An extensive guide to the hybridization of nucleic acids is found in Tijssen (1993) Laboratory Techniques in Biochemistry and Molecular Biology-Hybridization with Nucleic Acid Probes, part I chapter 2, Elsevier, New York, N.Y. Generally, highly stringent hybridization and wash conditions are selected to be about 5° C. lower than the thermal melting point (T_(m)) for the specific sequence at a defined ionic strength and pH. Typically, under “stringent conditions” a probe will hybridize specifically to its target subsequence, but to no other sequences.

[0121] The T_(m) is the temperature (under defined ionic strength and pH) at which 50% of the target sequence hybridizes to a perfectly matched probe. Very stringent conditions are selected to be equal to the T_(m) for a particular probe. An example of stringent hybridization conditions for Southern or Northern Blot analysis of complementary nucleic acids having more than about 100 complementary residues is overnight hybridization in 50% formamide with 1 mg of heparin at 42° C. An example of highly stringent wash conditions is 15 minutes in 0.1×SSC at 65° C. An example of stringent wash conditions is 15 minutes in 0.2×SSC buffer at 65° C. See Sambrook et al., eds (1989) Molecular Cloning: A Laboratory Manual, Cold Spring Harbor Laboratory Press, Cold Spring Harbor, N.Y. for a description of SSC buffer. Often, a high stringency wash is preceded by a low stringency wash to remove background probe signal. An example of medium stringency wash conditions for a duplex of more than about 100 nucleotides, is 15 minutes in 1×SSC at 45° C. An example of low stringency wash for a duplex of more than about 100 nucleotides, is 15 minutes in 4× to 6×SSC at 40° C. For short probes (e.g., about 10 to 50 nucleotides), stringent conditions typically involve salt concentrations of less than about 1 M Na⁺ ion, typically about 0.01 to 1 M Na⁺ ion concentration (or other salts) at pH 7.0-8.3, and the temperature is typically at least about 30° C. Stringent conditions can also be achieved with the addition of destabilizing agents such as formamide. In general, a signal to noise ratio of 2-fold (or higher) than that observed for an unrelated probe in the particular hybridization assay indicates detection of a specific hybridization.

[0122] The following are examples of hybridization and wash conditions that can be used to identify nucleotide sequences that are substantially identical to reference nucleotide sequences of the present invention: a probe nucleotide sequence preferably hybridizes to a target nucleotide sequence in 7% sodium dodecyl sulfate (SDS), 0.5M NaPO₄, 1 mM EDTA at 50° C. followed by washing in 2×SSC, 0.1% SDS at 50° C.; more preferably, a probe and target sequence hybridize in 7% sodium dodecyl sulfate (SDS), 0.5M NaPO₄, 1 mM EDTA at 50° C. followed by washing in 1×SSC, 0.1% SDS at 50° C.; more preferably, a probe and target sequence hybridize in 7% sodium dodecyl sulfate (SDS), 0.5M NaPO₄, 1 mM EDTA at 50° C. followed by washing in 0.5×SSC, 0.1% SDS at 50° C.; more preferably, a probe and target sequence hybridize in 7% sodium dodecyl sulfate (SDS), 0.5M NaPO₄, 1 mM EDTA at 50° C. followed by washing in 0.1×SSC, 0.1% SDS at 50° C.; more preferably, a probe and target sequence hybridize in 7% sodium dodecyl sulfate (SDS), 0.5M NaPO₄, 1 mM EDTA at 50° C. followed by washing in 0.1×SSC, 0.1% SDS at 65°C.

[0123] A further indication that two nucleic acid sequences are substantially identical is that the proteins encoded by the nucleic acids are substantially identical, share an overall three-dimensional structure, or are biologically functional equivalents. These terms are defined further under the heading “Polypeptides” herein above. Nucleic acid molecules that do not hybridize to each other under stringent conditions are still substantially identical if the corresponding proteins are substantially identical. This can occur, for example, when two nucleotide sequences are significantly degenerate as permitted by the genetic code.

[0124] The term “conservatively substituted variants” refers to nucleic acid sequences having degenerate codon substitutions wherein the third position of one or more selected (or all) codons is substituted with mixed-base and/or deoxyinosine residues. See Batzer et al. (1991) Nucleic Acids Res 19:5081; Ohtsuka et al. (1985) J Biol Chem 260:2605-2608; and Rossolini et al. (1994) Mol Cell Probes 8:91-98

[0125] The term “subsequence” refers to a sequence of nucleic acids that comprises a part of a longer nucleic acid sequence. An exemplary subsequence is a probe, described herein above, or a primer. The term “primer” as used herein refers to a contiguous sequence comprising about 8 or more deoxyribonucleotides or ribonucleotides, preferably 10-20 nucleotides, and more preferably 20-30 nucleotides of a selected nucleic acid molecule. The primers of the invention encompass oligonucleotides of sufficient length and appropriate sequence so as to provide initiation of polymerization on a nucleic acid molecule of the present invention.

[0126] The term “elongated sequence” refers to a sequence comprising additional nucleotides (or other analogous molecules) incorporated into and/or at either end of a nucleic acid. For example, a polymerase (e.g., a DNA polymerase) can add sequences at the 3′ terminus of a nucleic acid molecule. In addition, a nucleotide sequence can be combined with other DNA sequences, such as promoters, promoter regions, enhancers, polyadenylation signals, intronic sequences, additional restriction enzyme sites, multiple cloning sites, and other coding segments.

[0127] The term “complementary sequences”, as used herein, indicates two nucleotide sequences that comprise antiparallel nucleotide sequences capable of pairing with one another upon formation of hydrogen bonds between base pairs. As used herein, the term “complementary sequences” means nucleotide sequences which are substantially complementary, as can be assessed by the same nucleotide comparison set forth above, or is defined as being capable of hybridizing to the nucleic acid segment in question under relatively stringent conditions such as those described herein. An example of a complementary nucleic acid segment is an antisense oligonucleotide.

[0128] The term “gene” refers broadly to any segment of DNA associated with a biological function. A gene encompasses sequences including but not limited to a coding sequence, a promoter region, a cis-regulatory sequence, a non-expressed DNA segment that is a specific recognition sequence for regulatory proteins, a non-expressed DNA segment that contributes to gene expression, a DNA segment designed to have desired parameters, or combinations thereof. A gene can be obtained by a variety of methods, including cloning from a biological sample, synthesis based on known or predicted sequence information, and recombinant derivation of an existing sequence.

[0129] Nucleic acids of the present invention can be cloned, synthesized, recombinantly altered, mutagenized, or combinations thereof. Standard recombinant DNA and molecular cloning techniques used to isolate nucleic acids are known in the art. Site-specific mutagenesis to create base pair changes, deletions, or small insertions are also known in the art as exemplified by publications. See e.g., Sambrook et al. (eds.) (1989) Molecular Cloning: A Laboratory Manual. Cold Spring Harbor Laboratory Press, Cold Spring Harbor; Silhavy et al. (1984) Experiments with Gene Fusions. Cold Spring Harbor Laboratory, Cold Spring Harbor, N.Y.; Glover & Hames (1995) DNA Cloning: A Practical Approach, 2nd ed. IRL Press at Oxford University Press, Oxford/N.Y.; and Ausubel (ed.) (1995) Short Protocols in Molecular Biology, 3rd ed. Wiley, New York.

[0130] I.E. Nucleotide and Amino Acid Sequence Comparisons

[0131] The terms “identical” or percent “identity” in the context of two or more nucleotide or polypeptide sequences, refer to two or more sequences or subsequences that are the same or have a specified percentage of amino acid residues or nucleotides that are the same, when compared and aligned for maximum correspondence, as measured using one of the sequence comparison algorithms disclosed herein or by visual inspection.

[0132] The term “substantially identical” in regards to a nucleotide or polypeptide sequence means that a particular sequence varies from the sequence of a naturally occurring sequence by one or more deletions, substitutions, or additions, the net effect of which is to retain biological activity of a gene, gene product, or sequence of interest.

[0133] For sequence comparison, typically one sequence acts as a reference sequence to which test sequences are compared. When using a sequence comparison algorithm, test and reference sequences are entered into a computer program, subsequence coordinates are designated if necessary, and sequence algorithm program parameters are selected. The sequence comparison algorithm then calculates the percent sequence identity for the designated test sequence(s) relative to the reference sequence, based on the selected program parameters.

[0134] Optimal alignment of sequences for comparison can be conducted, e.g., by the local homology algorithm of Smith & Waterman (1981) Adv Appl Math 2:482-489, by the homology alignment algorithm of Needleman & Wunsch (1970) J Mol Biol 48:443-453, by the search for similarity method of Pearson & Lipman (1988) Proc Natl Acad Sci USA 85:2444-2448, by computerized implementations of these algorithms (GAP, BESTFIT, FASTA, and TFASTA in the Wisconsin Genetics Software Package, Genetics Computer Group, Madison, Wis.), or by visual inspection. See generally, Ausubel (ed.) (1995) Short Protocols in Molecular Biology, 3rd ed. Wiley, New York.

[0135] A preferred algorithm for determining percent sequence identity and sequence similarity is the BLAST algorithm, which is described by Altschul et al. (1990) J Mol Biol 215:403-410. Software for performing BLAST analyses is publicly available through the National Center for Biotechnology Information (http://www.ncbi.nlm.nih.gov/). This algorithm involves first identifying high scoring sequence pairs (HSPs) by identifying short words of length W in the query sequence, which either match or satisfy some positive-valued threshold score T when aligned with a word of the same length in a database sequence. T is referred to as the neighborhood word score threshold. These initial neighborhood word hits act as seeds for initiating searches to find longer HSPs containing them. The word hits are then extended in both directions along each sequence for as far as the cumulative alignment score can be increased. Cumulative scores are calculated using, for nucleotide sequences, the parameters M (reward score for a pair of matching residues; always >0) and N (penalty score for mismatching residues; always <0). For amino acid sequences, a scoring matrix is used to calculate the cumulative score. Extension of the word hits in each direction are halted when the cumulative alignment score falls off by the quantity X from its maximum achieved value, the cumulative score goes to zero or below due to the accumulation of one or more negative-scoring residue alignments, or the end of either sequence is reached. The BLAST algorithm parameters W, T, and X determine the sensitivity and speed of the alignment. The BLASTN program (for nucleotide sequences) uses as defaults a wordlength W=11, an expectation E=10, a cutoff of 100, M=5, N=4, and a comparison of both strands. For amino acid sequences, the BLASTP program uses as defaults a wordlength (W) of 3, an expectation (E) of 10, and the BLOSUM62 scoring matrix. See Henikoff & Henikoff (1992) Proc Natl Acad Sci USA 89:10915-10919.

[0136] In addition to calculating percent sequence identity, the BLAST algorithm also performs a statistical analysis of the similarity between two sequences. See e.g., Karlin & Altschul (1993) Proc Natl Acad Sci USA 90:5873-5877. One measure of similarity provided by the BLAST algorithm is the smallest sum probability (P(N)), which provides an indication of the probability by which a match between two nucleotide or amino acid sequences would occur by chance. For example, a test nucleic acid sequence is considered similar to a reference sequence if the smallest sum probability in a comparison of the test nucleic acid sequence to the reference nucleic acid sequence is less than about 0.1, more preferably less than about 0.01, and most preferably less than about 0.001.

[0137] II. Therapeutic Applications

[0138] The present invention provides therapeutic compositions comprising a recombinant stress response polypeptide free of an antigen binding domain. Provision of a recombinant stress response polypeptide lacking an antigen binding domain can elicit an innate immune response, as described in Example 7. Administration to a subject of a recombinant stress response polypeptide can also elicit and adaptive immune response in the subject, the specificity of the response directed to antigens present in the subject or to exogenously provided antigens (Example 6).

[0139] The compositions of the present invention can also be used to elicit an anti-cancer response in a subject via administration of the stress response polypeptide to the subject. While applicants do not intend to be bound to any particular theory of operation, an “anti-cancer response” can comprise an immune response, an anti-angiogenic response, or a combination thereof. See Example 6.

[0140] The methods of the present invention involve administering a stress response polypeptide extracellularly. In one embodiment of the invention, the administering comprises administering a gene therapy construct encoding a stress response polypeptide, wherein the stress response polypeptide is designed for extracellular transport, as described herein above. In another embodiment of the invention, a stress response polypeptide is produced in a heterologous expression system, purified from the expression system, and formulated for administration. Representative methods for heterologous expression and formulation are also described herein above.

[0141] The term “immune system” includes all the cells, tissues, systems, structures and processes, including non-specific and specific categories, that provide a defense against cells comprising antigenic molecules, including but not limited to tumors, pathogens, and self-reactive cells. Thus, an immune response can comprise an innate immune response, an adaptive immune response, or a combination thereof.

[0142] The term “innate immune system” includes phagocytic cells such as neutrophils, monocytes, tissue macrophages, Kupffer cells, alveolar macrophages, dendritic cells, and microglia. The innate immune system mediates non-specific immune responses. The innate immune system plays an important role in initiating and guiding responses of the adaptive immune system. See e.g., Janeway (1989) Cold Spring Harb Symp Quant Biol 54:1-13; Romagnani (1992) Immunol Today 13:379-381; Fearon & Locksley (1996) Science 272:50-53; and Fearon (1997) Nature 388:323-324. An innate response can comprise, for example, dendritic cell maturation, macrophage activation, cytokine or chemokine secretion, and/or activation of NFκB signaling.

[0143] The term “adaptive immune system” refers to the cells and tissues that impart specific immunity within a host. Included among these cells are natural killer (NK) cells and lymphocytes (e.g., B cell lymphocytes and T cell lymphocytes). The term “adaptive immune system” also includes antibody-producing cells and the antibodies produced by the antibody-producing cells.

[0144] The term “adaptive immune response” refers to a specific response to an antigen include humoral immune responses (e.g., production of antigen-specific antibodies) and cell-mediated immune responses (.e.g., lymphocyte proliferation), as defined herein below. An adaptive immune response can further comprise systemic immunity and humoral immunity.

[0145] The terms “cell-mediated immunity” and “cell-mediated immune response” are meant to refer to the immunological defense provided by lymphocytes, such as that defense provided by T cell lymphocytes when they come into close proximity to their victim cells. A cell-mediated immune response also comprises lymphocyte proliferation. When “lymphocyte proliferation” is measured, the ability of lymphocytes to proliferate in response to specific antigen is measured. Lymphocyte proliferation is meant to refer to B cell, T-helper cell or CTL cell proliferation.

[0146] The term “CTL response” is meant to refer to the ability of an antigen-specific cell to lyse and kill a cell expressing the specific antigen. As described herein below, standard, art-recognized CTL assays are performed to measure CTL activity.

[0147] The term “systemic immune response” is meant to refer to an immune response in the lymph node-, spleen-, or gut-associated lymphoid tissues wherein cells, such as B lymphocytes, of the immune system are developed. For example, a systemic immune response can comprise the production of serum IgG's. Further, systemic immune response refers to antigen-specific antibodies circulating in the blood stream and antigen-specific cells in lymphoid tissue in systemic compartments such as the spleen and lymph nodes.

[0148] The terms “humoral immunity” or “humoral immune response” are meant to refer to the form of acquired immunity in which antibody molecules are secreted in response to antigenic stimulation.

[0149] Thus, the compositions of the present invention can enhance the immunocompetence of a subject and elicit specific immunity against antigens associated with diseases and disorders including but not limited to cancer, infection, angiogenic disorders, and cellular necrosis. The present invention also pertains to administration of a stress response polypeptide free of an antigen binding domain to a subject at risk of developing any of the foregoing diseases and disorders due to familial history or environmental factors.

[0150] A recombinant stress response polypeptide of the present invention is further useful for cellular immunotherapies, including any adoptive immunotherapeutic approach involving ex vivo preparation of cells of the innate immune system.

[0151] A recombinant stress response polypeptide of the present invention is further useful as an adjuvant for eliciting a specific immune response to an exogenous antigen.

[0152] II.A. Subjects

[0153] The term “subject” as used herein includes any vertebrate species, preferably warm-blooded vertebrates such as mammals and birds. More particularly, the methods of the present invention are contemplated for the treatment of tumors in mammals such as humans, as well as those mammals of importance due to being endangered (such as Siberian tigers), of economical importance (animals raised on farms for consumption by humans) and/or social importance (animals kept as pets or in zoos) to humans, for instance, carnivores other than humans (such as cats and dogs), swine (pigs, hogs, and wild boars), ruminants and livestock (such as cattle, oxen, sheep, giraffes, deer, goats, bison, and camels), and horses. Also contemplated is the treatment of birds, including those kinds of birds that are endangered or kept in zoos, as well as fowl, and more particularly domesticated fowl or poultry, such as turkeys, chickens, ducks, geese, guinea fowl, and the like, as they are also of economical importance to humans.

[0154] II.B. Monitoring Immune Response

[0155] Methods for monitoring an immune response in a subject are known to one skilled in the art. Representative methods that can be used as general indicators of an immunostimulatory response are described herein below. Additional methods suitable for assessment of particular therapies or applications can also be used.

[0156] Delayed Hypersensitivity Skin Test. Delayed hypersensitivity skin tests are of great value in the overall immunocompetence and cellular immunity to an antigen. Inability to react to a battery of common skin antigens is termed anergy (Sato et al. (1995) Clin Immunol Pathol 74:35-43). Proper technique of skin testing requires that the antigens be stored sterile at 4° C., protected from light and reconstituted shortly before use. A 25- or 27-gauge needle ensures intradermal, rather than subcutaneous, administration of antigen. Twenty-four and forty-eight hours after intradermal administration of the antigen, the largest dimensions of both erythema and induration are measured with a ruler. Hypoactivity to any given antigen or group of antigens is confirmed by testing with higher concentrations of antigen or, in ambiguous circumstances, by a repeat test with an intermediate concentration.

[0157] Activity of Cytolytic T-lymphocytes In vitro. 8×10⁶ peripheral blood derived T lymphocytes isolated by the Ficoll-Hypaque centrifugation gradient technique, are re-stimulated with 4×10⁴ mitomycin C treated tumor cells in 3 ml RPMI medium containing 10% fetal calf serum. In some experiments, 33% secondary mixed lymphocyte culture supernatant or IL-2, is included in the culture medium as a source of T cell growth factors.

[0158] To measure the primary response of cytolytic T-lymphocytes after immunization, T cells are cultured without the stimulator tumor cells. In other experiments, T cells are re-stimulated with antigenically distinct cells. After six days, the cultures are tested for cytotoxicity in a 4 hour ⁵¹Cr-release assay. The spontaneous ⁵¹Cr-release of the targets preferably reaches a level less than 20%. To determine anti-MHC class I blocking activity, a ten-fold concentrated supernatant of W6/32 hybridoma is added to the test at a final concentration of about 12.5% (Heike et al. (1994) J Immunotherapy 15:165-174).

[0159] Levels of Cell-Specific Antigens. Monitoring of disease and infection can also be accomplished using any one of a variety of biochemical techniques that assay a level of antigen whose presence is indicative of disease or infection.

[0160] For example, carcinoembryonic antigen (CEA) is a glycoprotein found on human colon cancer cells, but not on normal adult colon cells. Subjects with other tumors, such as pancreatic and breast cancer, also have elevated serum levels of CEA. Therefore, monitoring the fall and rise of CEA levels in cancer patients undergoing therapy has proven useful for predicting tumor progression and responses to treatment. Similarly, serum levels of prostate-specific antigen (PSA) are indicative of a risk for developing prostrate cancer.

[0161] Immunodiagnostic methods can be used to detect antigens present on pathogens present in infected cells. For example, a pathogen-specific antigen can comprise a polypeptide that mediates disease progression, i.e. toxic shock syndrome toxin-1 or an enterotoxin.

[0162] Gene Expression. Disease and infection can also be monitored by detection of a nucleic acid presence or amount that is characteristic to disease or infection. Formats for assaying gene expression can include but are not limited to PCR amplification of a target nucleic acid and hybridization-based methods of nucleic acid detection. These assays can detect the presence and/or level of a single target nucleic acid or multiple target nucleic acids, for example by microarray analysis.

[0163] Target-specific probes can be designed according to nucleotide sequences in public sequence repositories (e.g., Sanger Centre (ftp://ftp.sanger.ac.uk/pub/tb/sequences) and GenBank (http://ncbi.nlm.nih.gov)), including cDNAs, expressed sequence tags (ESTs), sequence tagged sites (STSs), repetitive sequences, and genomic sequences.

[0164] Representative methods for detection of nucleic acids and the selection of appropriate target genes are described in, for example, Quinn (1997) in Lee et al., eds., Nucleic Acid Amplification Technologies: Application to Disease Diagnostics, pp.49-60, Birkhäuser Boston, Cambridge, Mass., United States of America; Richardson & Warnock (1993) Fungal Infection: Diagnosis and Management, Blackwell Scientific Publications Inc., Boston, Mass., United States of America; Storch (2000) Essentials of Diagnostic Virology, Churchill Livingstone, New York, N.Y.; Fisher & Cook (1998) Fundamentals of Diagnostic Mycology, W.B. Saunders Company, Philadelphia, Pa.; White & Fenner (1994) Medical Virology, 4^(th) Edition, Academic Press, San Diego, Calif.; and Schena (2000) Microarray Biochip Technology. Eaton Publishing, Natick, Mass., United States of America.

[0165] II.C. Treatment of Cancer and Other Proliferative Disorders

[0166] The present invention provides a method for inhibiting cancer growth via administration of a stress response polypeptide free of an antigen binding domain. See Example 6.

[0167] The term “cancer” as used herein generally refers to tumors, neoplastic cells and preneoplastic cells, and other disorders of cellular proliferation.

[0168] The term “tumor” encompasses both primary and metastasized solid tumors and carcinomas of any tissue in a subject, including but not limited to breast; colon; rectum; lung; oropharynx; hypopharynx; esophagus; stomach; pancreas; liver; gallbladder; bile ducts; small intestine; urinary tract including kidney, bladder and urothelium; female genital tract including cervix, uterus, ovaries (e.g., choriocarcinoma and gestational trophoblastic disease); male genital tract including prostate, seminal vesicles, testes and germ cell tumors; endocrine glands including thyroid, adrenal, and pituitary; skin (e.g., hemangiomas and melanomas), bone or soft tissues; blood vessels (e.g., Kaposi's sarcoma); brain, nerves, eyes, and meninges (e.g., astrocytomas, gliomas, glioblastomas, retinoblastomas, neuromas, neuroblastomas, Schwannomas and meningiomas). The term “tumor” also encompasses solid tumors arising from hematopoietic malignancies such as leukemias, including chloromas, plasmacytomas, plaques and tumors of mycosis fungoides and cutaneous T-cell lymphoma/leukemia, and lymphomas including both Hodgkin's and non-Hodgkin's lymphomas.

[0169] The term “neoplastic cell” refers to new and abnormal cell. The term “neoplasm” encompasses a tumor.

[0170] The term “preneoplastic” cell refers to a cell which is in transition from a normal to a neoplastic form.

[0171] The compositions of the present invention can also be use for the treatment or prevention of non-neoplastic cell growth such as hyperplasia, metaplasia, and dysplasia. See Kumar et al. (1997) Basic Pathology, 6th ed. W.B. Saunders Co., Philadelphia, Pa., United States of America.

[0172] The term “hyperplasia” refers to an abnormal cell proliferation involving an increase in cell number in a tissue or organ, without significant alteration in structure or function. As one example, endometrial hyperplasia often precedes endometrial cancer.

[0173] The term “metaplasia” refers to abnormal cell growth in which one type of adult or fully differentiated cell substitutes for another type of adult cell. Metaplasia can occur in epithelial or connective tissue cells. Atypical metaplasia can result in a disordered metaplastic epithelium.

[0174] The term “dysplasia” refers to abnormal cell proliferation involving a loss in individual cell uniformity and in the architectural orientation of cells. Dysplastic cells often have abnormally large, deeply stained nuclei, and exhibit pleomorphism. Dysplasia is frequently a forerunner of cancer, and is found mainly in the epithelia of irritated or inflamed tissues including the cervix, respiratory passages, oral cavity, and gall bladder.

[0175] Administration of a recombinant stress response polypeptide free of an antigen binding site can be combined with conventional cancer therapies. For example, administration of composition of the present invention can be used to minimize infection and other complications resulting from immunosuppression. The therapeutic methods disclosed herein are also useful for controlling metastases, for example metastases arising from tumor cells shed into the circulation during surgical removal of a tumor.

[0176] The term “cancer growth” generally refers to any one of a number of indices that suggest change within the cancer to a more developed form. Thus, indices for measuring an inhibition of cancer growth include but are not limited to a decrease in cancer cell survival, a decrease in tumor volume or morphology (for example, as determined using computed tomographic (CT), sonography, or other imaging method), a delayed tumor growth, a destruction of tumor vasculature, improved performance in delayed hypersensitivity skin test, an increase in the activity of cytolytic T-lymphocytes, and a decrease in levels of tumor-specific antigens.

[0177] The term “delayed tumor growth” refers to a decrease in a duration of time required for a tumor to grow a specified amount. For example, treatment can delay the time required for a tumor to increase in volume 3-fold relative to an initial day of measurement (day 0) or the time required to grow to 1 cm³.

[0178] II.D. Treatment of Infection

[0179] The compositions of the present invention can also be used to enhance an immune response against cells infected with an antigen. Thus, the present invention provides a method for eliciting an immune response in a subject, wherein the immune response comprises an anti-pathogen response, via administration of a stress response polypeptide free of an antigen binding domain.

[0180] The term “pathogen” and “infectious agent” are used interchangeably herein to refer to a bacterium, a virus, a fungus, a protozoan, a parasite, other infective agent, or potentially harmful or parasitic organism. Normal microbial flora are also potential pathogens.

[0181] Representative bacterial infectious that can be treated or prevented using the methods of the present invention include but are not limited to those infections caused by species of the genera Salmonella, Shigella, Actinobacillus, Porphyromonas, Staphylococcus, Bordetella, Yersinia, Haemophilus, Streptococcus, Chlamydophila, Alliococcus, Campylobacter, Actinomyces, Neisseria, Chlamydia, Treponema, Ureaplasma, Mycoplasma, Mycobacterium, Bartonella, Legionella, Ehrlichia, Escherichia, Listeria, Vibrio, Clostridium, Tropheryma, Actinomadura, Nocardia, Streptomyces, and Spirochaeta.

[0182] Representative viral infections that can be treated or prevented by the methods of the present invention include but are not limited to those infections caused by DNA viruses, such as Poxviridae, Herpesviridae, Adenoviridae, Papoviridae, Hepadnaviridae, and Parvoviridae. RNA viruses are also envisioned to be detected in accordance with the disclosed methods, including Paramyxoviridae, Orthomyxoviridae, Coronaviridae, Arenaviridae, Retroviridae, Reoviridae, Picornaviridae, Caliciviridae, Rhabdoviridae, Togaviridae, Flaviviridae, and Bunyaviridae.

[0183] Representative viruses include but are not limited to, hepatitis viruses, flaviviruses, gastroenteritis viruses, hantavi ruses, Lassa virus, Lyssavirus, picornaviruses, polioviruses, enteroviruses, nonpolio enteroviruses, rhinoviruses, astroviruses, rubella virus, HIV-1 (human immunodeficiency virus type 1), HIV-2 (human immunodeficiency virus type 2), HTLV-1 (human T-lymphotropic virus type 1), HTLV-2 (human T-lymphotropic virus type 2), HSV-1 (herpes simplex virus type 1), HSV-2 (herpes simplex virus type 2), VZV (varicellar-zoster virus), CMV (cytomegalovirus), HHV-6 (human herpes virus type 6), HHV-7 (human herpes virus type 7), EBV (Epstein-Barr virus), influenza A and B viruses, adenoviruses, RSV (respiratory syncytial virus), PIV-1 (parainfluenza virus, types 1, 2, and 3), papillomavirus, JC virus, polyomaviruses, BK virus, filoviruses, coltiviruses, orbiviruses, orthoreoviruses, retroviruses, and spumaviruses.

[0184] Representative fungal infections that can be treated or prevented using the methods of the present invention include but are not limited to those infections caused by species of the genera Aspergillus, Trichophyton, Microsporum, Epidermaophyton, Candida, Malassezia, Pityrosporum, Trichosporon, Exophiala, Cladosporium, Hendersonula, Scytalidium, Piedraia, Scopulariopis, Acremonium, Fusarium, Curvularia, Penicillium, Absidia, Pseudallescheria, Rhizopus, Cryptococcus, MuCunninghamella, Rhizomucor, Saksenaea, Blastomyces, Coccidioides, Histoplasma, Paraoccidioides, Phialophora, Fonsecaea, Rhinocladiella, Conidiobolu, Loboa, Leptosphaeria, Madurella, Neotestudina, Pyrenochaeta, Colletotrichum, Alternaria, Bipolaris, Exserohilum, Phialophora, Xylohypha, Scedosporium, Rhinosporidium, and Sporothrix.

[0185] Protozoal infections that can be treated or prevented by the methods of the present invention include but are not limited to those infections caused by species of the genera Toxoplasma, Giardia, Cryptosporidium, Trichomonas, and Leishmania. Other infections that can be treated or prevented by the methods of the present invention include but are not limited to those infections caused by parasitic species of the genera Rickettsiae and by nematodes such as species of the genera Trichinella and Anisakis.

[0186] II.E. Treatment of Angiogenic Disorders

[0187] The present invention further provides compositions and methods useful for the treatment or prevention of angiogenic disorders. The method comprises administering to a subject an effective amount of a stress response polypeptide free of an antigen binding domain, whereby blood vessel growth is inhibited.

[0188] The term “angiogenesis” refers to the process by which new blood vessels are formed. The term “anti-angiogenic response” and “anti-angiogenic activity” as used herein, each refer to a biological process wherein the formation of new blood vessels is inhibited.

[0189] Methods for assaying a level of angiogenesis include determining vascular length and microvessel density. Representative methods are described by Hironaka et al. (2002) Clin Cancer Res 8:124-130; Starnes et al. (2000) J Thorac Cardiovasc Surg 120:902-907; and El-Assal et al. (1998) Hepatology 27:1554-1562.

[0190] Angiogenesis can also be monitored by measuring blood flow. For example, Power Doppler sonography utilizes amplitude to measure flow in microvasculature. Tissues can be imaged with a 10-5 MHz ENTOS® linear probe (Advanced Technology Laboratories, Inc. of Bothell, Wash., United States of America) attached to an HDI® 5000 diagnostic ultrasound system (Advanced Technology Laboratories, Inc. of Bothell, Wash., United States of America).

[0191] II.F. Treatment of Cellular Necrosis

[0192] Also provided is a method for treating cellular necrosis resulting from cellular injury, disease, or other conditions such as ischemia/reperfusion. The method comprises administering to a subject an effective amount of a stress response polypeptide free of an antigen binding domain, whereby cellular necrosis is abrogated.

[0193] The term “cellular necrosis” refers to cell death caused by disease, physical or chemical injury, or ischemia.

[0194] The term “ischemia” refers to a loss of blood flow to a tissue. Blood loss is characterized by deprivation of both oxygen and glucose, and leads to ischemic necrosis or infarction. Thus, the term “ischemia” refers to both conditions of oxygen deprivation and of nutrient deprivation. Loss of blood flow to a particular vascular region is described as “focal ischemia”. Loss of blood flow to an entire tissue or body is referred to as “global ischemia”.

[0195] The present invention provides therapeutic compositions and methods to ameliorate cellular damage arising from conditions of ischemia/reperfusion including but not limited to cardiac arrest, asystole and sustained ventricular arrythmias, cardiac surgery, cardiopulmonary bypass surgery, organ transplantation, spinal cord injury, head trauma, stroke, thromboembolic stroke, hemorrhagic stroke, cerebral vasospasm, hypotension, hypoglycemia, status epilepticus, an epileptic seizure, anxiety, schizophrenia, a neurodegenerative disorder, Alzheimer's disease, Huntington's disease, amyotrophic lateral sclerosis (ALS), neonatal stress, and any condition in which a neuroprotectant composition that prevents or ameliorates ischemic cerebral damage is indicated, useful, recommended, or prescribed.

[0196] II.G. Cellular Immunotherapy

[0197] The present invention further provides compositions and methods for cellular immunotherapy. The term “cellular immunotherapy” refers to preparation of cells for administration to a subject to thereby elicit an immune response, including an anti-tumor response.

[0198] In one embodiment of the invention, compositions and methods are provided for administering healthy cells expressing a soluble stress response protein to a subject. The term “healthy,” as used herein to describe a cellular carrier for immunotherapy, comprises a cell other than a cell to be treated. Representative healthy cells include but are not limited to non-cancerous cells, cells free of a pathogen, and non-necrotic cells. The cells can be autologous or heterologous (e.g., allogenic) to a subject in need of treatment.

[0199] For example, a construct encoding a secreted stress response protein can be prepared as described herein above. A representative secreted stress response polypeptide is set forth as SEQ ID NO:22. The construct is transfected into healthy cells, which are then administered to a subject to thereby treat an infection or disease. In a preferred embodiment of the invention, the treatment response comprises an anti-tumor response and/or an anti-metastatic response, as described in Example 5.

[0200] In another embodiment of the invention, compositions and methods are provided for preparing antigen presenting cells (APCs) useful for adoptive immunotherapies. The term “adoptive immunotherapy” as used herein refers to a therapeutic approach whereby antigen-presenting cells are prepared ex vivo and then administered to a subject in need of treatment. See Example 7.

[0201] Antigen-presenting cells, including but not limited to macrophages, dendritic cells and B-cells, can be obtained by production in vitro from stem and from progenitor cells found in human peripheral blood and bone marrow. See Inaba (1992) J Exp Med 176:1693-1702. Preferably, the subject into which the sensitized APCs are injected is the subject from which the APC were originally isolated (autologous embodiment).

[0202] The present invention provides a method for preparing sensitized APCs via exposing APCs to stress response polypeptide free of an antigen binding domain and a danger signal of interest. For example, sensitized DCs can be prepared by exposing immature DCs to a stress response polypeptide of the present invention and to an antigen against which a specific immune response is sought.

[0203] Sensitized APCs are re-infused into a subject systemically, preferably intravenously, by conventional clinical procedures. Subjects generally receive from about 10⁶ to about 10¹² sensitized APCs, depending on the condition of the subject and the condition to be treated. In some regimens, subjects can optionally receive in addition a suitable dosage of a biological response modifier including but not limited to the cytokines IFN-α, IFN-γ, IL-2, IL-4, IL-6, TNF or other cytokine growth factor.

[0204] II.H. Adjuvant Activity

[0205] A stress response polypeptide free of an antigen binding domain can also be used as an adjuvant to promote a specific immune response against an exogenous antigen. For example, an exogenous and a recombinant stress response polypeptide of the present invention can be co-administered to a subject, whereby the specificity of an adaptive immune response in the subject is directed to the antigen.

[0206] The term “adjuvant activity” is meant to refer to a molecule having the ability to enhance or otherwise modulate the response of a vertebrate subject's immune system to an antigen.

[0207] Adjuvants can be used to improve the activity of vaccine antigens by modulating immune responses, including (1) stimulating humoral and cell mediated immunity; (2) eliciting cytokine and chemokine production by APCs; and (3) controlling the type of acquired immune response that is induced (Yip et al., 1999). See O'Hagan et al. (2001) Biomol Eng 18:69-85.

[0208] Antigens can be selected for use from among those known in the art or determined by immunoassay to be antigenic or immunogenic. The term “antigenic” refers to a quality of binding to an antibody or to a MHC molecule. The term “immunogenic” refers to a quality of eliciting an immune response.

[0209] Antigenicity of a candidate antigen can be determined by various immunoassays known in the art, including but not limited to competitive and non-competitive assay systems using techniques such as radioimmunoassays, ELISA (enzyme linked immunosorbent assay), “sandwich” immunoassays, immunoradiometric assays, gel diffusion precipitin reactions, immunodiffusion assays, in vivo immunoassays (using colloidal gold, enzyme or radioisotope labels, for example), western blots, immunoprecipitation reactions, agglutination assays (e.g., gel agglutination assays, hemagglutination assays), complement fixation assays, immunofluorescence assays, protein A assays, and immuno-electrophoresis assays.

[0210] Immunogenicity can be determined by, for example, detecting T cell-mediated responses. Representative methods for measuring T cell responses include in vitro cytotoxicity assays or in vivo delayed-type hypersensitivity assays, as described herein above. Immunogenicity can also be assessed by detection of antigen-specific antibodies in a subject's serum, and/or by a demonstration of protective effects of antisera or immune cells specific for the antigen.

[0211] Candidate immunogenic or antigenic peptides can be isolated from either endogenous stress response protein-antigen complexes as described or from endogenous MHC-peptide complexes for use subsequently as antigenic molecules. The isolation of potentially immunogenic peptides from MHC molecules is well known in the art. See Falk et al. (1990) Nature 348:248-251; Rotzschke et al. (1990) Nature 348:252-254; Falk et al. (1991) Nature 351:290-296; Elliott et al. (1990) Nature 348:195-197; Demotz et al. (1989) Nature 342:682-684; and Rotzschke et al. (1990) Science 249:283-287.

[0212] Potentially useful antigens can also be identified by various criteria, such as the antigen's involvement in neutralization of a pathogen's infectivity (wherein it is desired to treat or prevent infection by such a pathogen). See Norrby & Cold Spring Harbor Laboratory. (1994) Vaccines 94: Modern Approaches to New Vaccines Including Prevention of Aids. Cold Spring Harbor Laboratory Press, Plainview, N.Y.

[0213] Preferably, where it is desired to treat or prevent cancer, known tumor-specific antigens or fragments or derivatives thereof are used. For example, such tumor-specific or tumor-associated antigens include but are not limited to KS 1/4 pan-carcinoma antigen (Bumol et al., 1988; Perez & Walker, 1989); ovarian carcinoma antigen (CA125) (Yu & Lian, 1991); prostatic acid phosphate (Tailor et al., 1990); prostate specific antigen (Henttu & Vihko, 1989; Israeli et al., 1993); melanoma-associated antigen p97 (Estin et al., 1989); melanoma antigen gp75 (Vijayasaradhi et al., 1990); high molecular weight melanoma antigen (Natali et al., 1987); and prostate specific membrane antigen (Mai et al., 2000).

[0214] Preferably, where it is desired to treat or prevent viral diseases, molecules comprising epitopes of known viruses are used. For example, such antigenic epitopes can be prepared from viruses including any of the viruses noted herein above.

[0215] Preferably, where it is desired to treat or prevent bacterial infections, molecules comprising epitopes of known bacteria are used including but not limited to any of the bacteria noted herein above.

[0216] Preferably, where it is desired to treat or prevent protozoan or parasitic infectious, molecules comprising epitopes of known protozoa or parasites are used. For example, such antigenic epitopes can be prepared from any protozoa or parasite, including any of those noted herein above.

[0217] An antigen to be co-administered with a stress response polypeptide of the invention can also comprise any other antigen to which an immune response is desired. A stress response polypeptide free of an antigen binding domain can be particularly useful for eliciting immune responses to poorly immunogenic antigens.

[0218] III. Therapeutic Compositions and Methods

[0219] In accordance with the methods of the present invention, a composition that is administered to elicit an immune response in a subject comprises: (a) an immunostimulatory amount of a stress response polypeptide free of an antigen binding domain; and (b) a pharmaceutically acceptable carrier.

[0220] III.A. Carriers

[0221] Any suitable carrier that facilitates drug preparation and/or administration can be used. The carrier can be a viral vector or a non-viral vector. Suitable viral vectors include adenoviruses, adeno-associated viruses (AAVs), retroviruses, pseudotyped retroviruses, herpes viruses, vaccinia viruses, Semiliki forest virus, and baculoviruses. In a preferred embodiment of the invention, the carrier comprises an adenoviral gene therapy construct that encodes a stress response protein.

[0222] Suitable non-viral vectors that can be used to deliver a stress response protein include but are not limited to a plasmid, a nanosphere (Manome et al., 1994; Saltzman & Fung, 1997), a peptide (U.S. Pat. Nos. 6,127,339 and 5,574,172), a glycosaminoglycan (U.S. Pat. No. 6,106,866), a fatty acid (U.S. Pat. No. 5,994,392), a fatty emulsion (U.S. Pat. No. 5,651,991), a lipid or lipid derivative (U.S. Pat. No. 5,786,387), collagen (U.S. Pat. No. 5,922,356), a polysaccharide or derivative thereof (U.S. Pat. No. 5,688,931), a nanosuspension (U.S. Pat. No. 5,858,410), a polymeric micelle or conjugate (Goldman et al., 1997) and U.S. Pat. Nos. 4,551,482, 5,714,166, 5,510,103, 5,490,840, and 5,855,900), and a polysome (U.S. Pat. No. 5,922,545).

[0223] Where appropriate, two or more types of carriers can be used together. For example, a plasmid vector can be used in conjunction with liposomes. Currently, a preferred embodiment of the present invention envisions the use of an adenovirus.

[0224] A carrier can be selected to effect sustained bioavailability of a recombinant stress response polypeptide to a site in need of treatment. The term “sustained bioavailability” is used herein to refer to a bioavailability of a stress response polypeptide free of an antigen binding domains sufficient to elicit an immune response. The term “sustained bioavailability” also refers to a bioavailability of a stress response polypeptide of the present invention sufficient to inhibit blood vessel growth within a tumor. The term “sustained bioavailability” encompasses factors including but not limited to prolonged release of a stress response polypeptide from a carrier, metabolic stability of a stress response polypeptide, systemic transport of a composition comprising a stress response polypeptide, and effective dose of a stress response polypeptide.

[0225] Representative compositions for sustained bioavailability of stress response polypeptide can include but are not limited to polymer matrices, including swelling and biodegradable polymer matrices, (U.S. Pat. Nos. 6,335,035; 6,312,713; 6,296,842; 6,287,587; 6,267,981; 6,262,127; and 6,221,958), polymer-coated microparticles (U.S. Pat. Nos. 6,120,787 and 6,090,925) a polyol:oil suspension (U.S. Pat. No. 6,245,740), porous particles (U.S. Pat. No. 6,238,705), latex/wax coated granules (U.S. Pat. No. 6,238,704), chitosan microcapsules, and microsphere emulsions (U.S. Pat. No. 6,190,700).

[0226] A preferred composition for sustained bioavailability of a stress response polypeptide comprises a gene therapy construct comprising a gene therapy vectors, for example a gene therapy vector described herein below.

[0227] Viral Gene Therapy Vectors. Viral vectors of the invention are preferably disabled, e.g. replication-deficient. That is, they lack one or more functional genes required for their replication, which prevents their uncontrolled replication in vivo and avoids undesirable side effects of viral infection. Preferably, all of the viral genome is removed except for the minimum genomic elements required to package the viral genome incorporating the therapeutic gene into the viral coat or capsid. For example, it is desirable to delete all the viral genome except: (a) the Long Terminal Repeats (LTRs) or Invented Terminal Repeats (ITRs); and (b) a packaging signal. In the case of adenoviruses, deletions are typically made in the E1 region and optionally in one or more of the E2, E3 and/or E4 regions. Other viral vectors can be similarly deleted of genes required for replication. Deletion of sequences can be achieved by recombinant means, for example, involving digestion with appropriate restriction enzymes, followed by re-ligation. Replication-competent self-limiting or self-destructing viral vectors can also be used.

[0228] Nucleic acid constructs of the invention can be incorporated into viral genomes by any suitable means known in the art. Typically, such incorporation is performed by ligating the construct into an appropriate restriction site in the genome of the virus. Viral genomes can then be packaged into viral coats or capsids using any suitable procedure. In particular, any suitable packaging cell line can be used to generate viral vectors of the invention. These packaging lines complement the replication-deficient viral genomes of the invention, as they include, for example by incorporation into their genomes, the genes which have been deleted from the replication-deficient genome. Thus, the use of packaging lines allows viral vectors of the invention to be generated in culture.

[0229] Suitable packaging lines for retroviruses include derivatives of PA317 ce{dot over (l)}ls, ψ-2 cells, CRE cells, CRIP cells, E-86-GP cells, and 293GP cells. Line 293 cells are preferred for use with adenoviruses and adeno-associated viruses.

[0230] Plasmid Gene Therapy Vectors. A stress response protein free of an antigen binding domain can also be encoded by a plasmid. Advantages of a plasmid carrier include low toxicity and easy large-scale production. A polymer-coated plasmid can be delivered using electroporation as described by Fewell et al. (2001) Mol Ther 3:574-583. Alternatively, a plasmid can be combined with an additional carrier, for example a cationic polyamine, a dendrimer, or a lipid, that facilitates delivery. See e.g., Baher et al. (1999) Anticancer Res 19:2917-2924; Maruyama-Tabata et al. (2000) Gene Ther 7:53-60; and Tam et al. (2000) Gene Ther 7:1867-1874.

[0231] Liposomes. A stress response polypeptide of the present invention can also be delivered using a liposome. For example, a recombinantly produced stress response polypeptide can be encapsulated in liposomes. Liposomes can be prepared by any of a variety of techniques that are known in the art. See e.g., (1997). Current Protocols in Human Genetics on CD-ROM. John Wiley & Sons, New York; Lasic & Martin (1995) STEALTH® Liposomes. CRC Press, Boca Raton, Fla., United States of America; Janoff (1999) Liposomes: Rational Design. M. Dekker, New York; Gregoriadis (1993) Liposome Technology, 2nd ed. CRC Press, Boca Raton, Fla., United States of America; Betageri et al. (1993) Liposome Drug Delivery Systems. Technomic Pub., Lancaster; Pa., United States of America.; and U.S. Pat. Nos. 4,235,871; 4,551,482; 6,197,333; and 6,132,766. Temperature-sensitive liposomes can also be used, for example THERMOSOMES™ as disclosed in U.S. Pat. No. 6,200,598. Entrapment of a stress response polypeptide within liposomes of the present invention can be carried out using any conventional method in the art. In preparing liposome compositions, stabilizers such as antioxidants and other additives can be used.

[0232] Other lipid carriers can also be used in accordance with the claimed invention, such as lipid microparticles, micelles, lipid suspensions, and lipid emulsions. See e.g., Labat-Moleur et al. (1996) Gene Therapy 3:1010-1017; and U.S. Pat. Nos. 5,011,634; 6,056,938; 6,217,886; 5,948,767; and 6,210,707.

[0233] III.B. Targeting Ligands

[0234] As desired, a composition of the invention can include one or more ligands having affinity for a specific cellular marker to thereby enhance delivery of a stress response polypeptide to a site in need of treatment in a subject. Ligands include antibodies, cell surface markers, peptides, and the like, which act to home the stress response polypeptide to particular cells, for example tumor cells.

[0235] The terms “targeting” and “homing”, as used herein to describe the in vivo activity of a ligand following administration to a subject, each refer to the preferential movement and/or accumulation of a ligand in a target tissue (e.g., a tumor) as compared with a control tissue.

[0236] The term “target tissue” as used herein refers to an intended site for accumulation of a ligand following administration to a subject. For example, the methods of the present invention employ a target tissue comprising a tumor.

[0237] The term “control tissue” as used herein refers to a site suspected to substantially lack binding and/or accumulation of an administered ligand. For example, in accordance with the methods of the present invention, a non-cancerous tissue is a control tissue.

[0238] The terms “selective targeting” of “selective homing” as used herein each refer to a preferential localization of a ligand that results in an amount of ligand in a target tissue that is about 2-fold greater than an amount of ligand in a control tissue, more preferably an amount that is about 5-fold or greater, and most preferably an amount that is about 10-fold or greater. The terms “selective targeting” and “selective homing” also refer to binding or accumulation of a ligand in a target tissue concomitant with an absence of targeting to a control tissue, preferably the absence of targeting to all control tissues.

[0239] The terms “targeting ligand” and “targeting molecule” as used herein each refer to a ligand that displays targeting activity. Preferably, a targeting ligand displays selective targeting. Representative targeting ligands include peptides and antibodies.

[0240] The term “peptide” encompasses any of a variety of forms of peptide derivatives, that include amides, conjugates with proteins, cyclized peptides, polymerized peptides, conservatively substituted variants, analogs, fragments, peptoids, chemically modified peptides, and peptide mimetics. Representative peptide ligands that show tumor-binding activity include, for example, those described in U.S. Pat. Nos. 6,180,084 and 6,296,832.

[0241] The term “antibody” indicates an immunoglobulin protein, or functional portion thereof, including a polyclonal antibody, a monoclonal antibody, a chimeric antibody, a hybrid antibody, a single chain antibody (e.g., a single chain antibody represented in a phage library), a mutagenized antibody, a humanized antibody, and antibody fragments that comprise an antigen binding site (e.g., Fab and Fv antibody fragments). Representative antibody ligands that can be used in accordance with the methods of the present invention include antibodies that bind the tumor-specific antigens Her2/neu (v-erb-b2 avian erythroblastic leukemia viral oncogene homologue 2) (Kirpotin et al., 1997; Becerril et al., 1999) and antibodies that bind to CEA (carcinoembryonic antigen) (Ito et al., 1991). See also U.S. Pat. Nos. 5,111,867; 5,632,991; 5,849,877; 5,948,647; 6,054,561 and PCT International Publication No. WO 98/10795.

[0242] In an effort to identify ligands that are capable of targeting to multiple tumor types, targeting ligands have been developed that bind to target molecules present on tumor vasculature (Baillie et al., 1995; Pasqualini & Ruoslahti, 1996; Arap et al., 1998; Burg et al., 1999; Ellerby et al., 1999).

[0243] Antibodies, peptides, or other ligands can be coupled to drugs (e.g., a stress response polypeptide free of an antigen binding domain) or drug carriers using methods known in the art, including but not limited to carbodiimide conjugation, esterification, sodium periodate oxidation followed by reductive alkylation, and glutaraldehyde crosslinking. See e.g., Bauminger & Wilchek (1980) Methods Enzymol 70:151-159; Goldman et al. (1997) Cancer Res 57:1447-1451; Kirpotin et al. (1997) Biochemistry 36:66-75;—(1997). Current Protocols in Human Genetics on CD-ROM. John Wiley & Sons, New York; Neri et al. (1997) Nat Biotechnol 15:1271-1275; Park et al. (1997) Cancer Lett 118:153-160; and Pasqualini et al. (1997) Nat Biotechnol 15:542-546; U.S. Pat. No. 6,071,890; and European Patent No. 0 439 095. Alternatively, pseudotyping of a retrovirus can be used to target a virus towards a particular cell (Marin et al., 1997).

[0244] III.C. Formulation

[0245] A composition of the present invention preferably comprises a stress response polypeptide free of an antigen binding domain and a pharmaceutically acceptable carrier. Suitable formulations include aqueous and non-aqueous sterile injection solutions which can contain anti-oxidants, buffers, bacteriostats, bactericidal antibiotics and solutes which render the formulation isotonic with the bodily fluids of the intended recipient; and aqueous and non-aqueous sterile suspensions which can include suspending agents and thickening agents. The formulations can be presented in unit-dose or multi-dose containers, for example sealed ampoules and vials, and can be stored in a frozen or freeze-dried (lyophilized) condition requiring only the addition of sterile liquid carrier, for example water for injections, immediately prior to use. Some preferred ingredients are sodium dodecyl sulfate (SDS), for example in the range of 0.1 to 10 mg/ml, preferably about 2.0 mg/ml; and/or mannitol or another sugar, for example in the range of 10 to 100 mg/ml, preferably about 30 mg/ml; phosphate-buffered saline (PBS), and any other formulation agents conventional in the art.

[0246] The therapeutic regimens and pharmaceutical compositions of the invention can be used with additional adjuvants or biological response modifiers including, but not limited to, the cytokines interferon alpha (IFN-α), interferon gamma (IFN-γ), interleukin 2 (IL2), interleukin 4 (IL4), interleukin 6 (IL6), tumor necrosis factor (TNF), or other cytokine affecting immune cells.

[0247] III.D. Dose and Administration

[0248] Suitable methods for administration of a composition of the present invention include but are not limited to intravascular, subcutaneous, or intratumoral administration. For delivery of compositions to pulmonary pathways, compositions can be administered as an aerosol or coarse spray. A delivery method is selected based on considerations such as the type of the type of carrier or vector, therapeutic efficacy of the stress response polypeptide, and the condition to be treated. In a preferred embodiment of the invention, intravascular administration is employed.

[0249] Preferably, an effective amount of a composition of the invention is administered to a subject. For example, an “effective amount” is an amount of a composition comprising a stress response polypeptide free of an antigen binding domain sufficient to elicit an immune response. This is also referred to herein as an “immunostimulatory amount.” By way of additional example, an effective amount for tumor therapy comprises an amount sufficient to produce a measurable anti-tumor response (e.g., an anti-angiogenic response, a cytotoxic response, and/or tumor regression).

[0250] Actual dosage levels of active ingredients in a therapeutic composition of the invention can be varied so as to administer an amount of the active compound(s) that is effective to achieve the desired therapeutic response for a particular subject. The selected dosage level will depend upon a variety of factors including the activity of the therapeutic composition, formulation, the route of administration, combination with other drugs or treatments, the disease or disorder to be treated, and the physical condition and prior medical history of the subject being treated. Determination and adjustment of an effective amount or dose, as well as evaluation of when and how to make such adjustments, are known to those of ordinary skill in the art of medicine.

[0251] For local administration of viral vectors, previous clinical studies have demonstrated that up to 10¹³ pfu (plaque forming units) of virus can be injected with minimal toxicity. In human patients, 1×10⁹-1×10¹³ pfu are routinely used. See Habib et al. (1999) Hum Gene Ther 10:2019-2034. To determine an appropriate dose within this range, preliminary treatments can begin with 1×10⁹ pfu, and the dose level can be escalated in the absence of dose-limiting toxicity. Toxicity can be assessed using criteria set forth by the National Cancer Institute and is reasonably defined as any grade 4 toxicity or any grade 3 toxicity persisting more than 1 week. Dose is also modified to maximize anti-tumor and/or anti-angiogenic activity. Representative criteria and methods for assessing anti-tumor and/or anti-angiogenic activity are described herein below.

[0252] For soluble formulations of a stress response polypeptide of the present invention, conventional methods of extrapolating human dosage are based on doses administered to a murine animal model can be carried out using the conversion factor for converting the mouse dosage to human dosage: Dose Human per kg=Dose Mouse per kg×12 (Freireich et al., 1966). Drug doses are also given in milligrams per square meter of body surface area because this method rather than body weight achieves a good correlation to certain metabolic and excretionary functions. Moreover, body surface area can be used as a common denominator for drug dosage in adults and children as well as in different animal species as described by Freireich et al. (1966) Cancer Chemother Rep 50:219-244. Briefly, to express a mg/kg dose in any given species as the equivalent mg/m² dose, the dose is multiplied by the appropriate km factor. In adult humans, 100 mg/kg is equivalent to 100 mg/kg×37 kg/m²=3700 mg/m².

[0253] For the purposes of cell therapy, it is preferred to deliver cells, for example cells for ex vivo therapy, by intradermal or subcutaneous administration. A person of skill in the art will be able to choose an appropriate dosage, e.g. the number and concentration of cells, to take into account the fact that only a limited volume of fluid can be administered in this manner.

[0254] Additional dose techniques have been described in the art. See e.g., U.S. Pat. Nos. 5,326,902 and 5,234,933, and PCT International Publication No. WO 93/25521.

EXAMPLES

[0255] The following Examples have been included to illustrate preferred modes of the invention. Certain aspects of the following Examples are described in terms of techniques and procedures found or contemplated by the present inventors to work well in the practice of the invention. These Examples are exemplified through the use of standard laboratory practices of the inventors. In light of the present disclosure and the general level of skill in the art, those of skill will appreciate that the following Examples are intended to be exemplary only and that numerous changes, modifications and alterations can be employed without departing from the spirit and scope of the invention.

Example 1 Preparation of GRP94ΔKDEL

[0256] In accordance with the present invention, this Example pertains to an alternative approach to biochemical purification of immunostimulatory stress response polypeptides. This approach employs secreted forms of GRP94 and GRP94 structural domains, as disclosed herein. GRP94 residence in the endoplasmic reticulum (ER) lumen is conferred by its C-terminal Lys-Asp-Glu-Leu (KDEL; SEQ ID NO:23) sequence (Munro & Pelham, 1987). Thus, a secretory form of GRP94 was engineered by deletion of its KDEL sequence to yield GRPΔKDEL.

[0257] Canine GRP94 cDNA was used as the template for all PCR reactions. For creation of GRP94ΔKDEL, the 5′ sense primer (SEQ ID NO:24) and the 3′ antisense primer (SEQ ID NO:25) were used to prepare a PCR product corresponding to the 5′ 2403 base pairs of the GRP94 coding region flanked by 5′ Sal I and 3′ Not I restriction sites. The PCR product was digested with Sal I/Not I then ligated into Sal I/Not I-digested pEF/myc/cyto vector (INVITROGEN™ Life Technologies of Carlsbad, Calif., United States of America). For creation of GRP94(1-337), the 5′ sense primer (SEQ ID NO:26) and the 3′ antisense primer (SEQ ID NO:27) were used to prepare a PCR product corresponding to the 5′ 1111 base pairs of the GRP94 coding region flanked by 5′ Sal I and 3′ Not I restriction sites. The PCR product was digested with Sal I/Not I then ligated into Sal I/Not I-digested pEF/myc/cyto vector. GRP94 NTD for recombinant expression was prepared using the 5′ sense primer (5′GGAATTCCATATGGACGATGAAGTCGATGTG3′) and the 3′antisense primer (5′CGGATCCTCAATTCATAAGCTCCCAATCCCA3′) to obtain a PCR product corresponding to bp 64-1,008 of the GRP94 coding sequence, flanked by 5′NdeI and 3′BamHI restriction sites. The PCR product was digested with NdeI/BamHI and ligated into NdeI/BamHI-digested pGEX vector (provided by D. Gewirth, Duke University Medical Center, Durham, N.C., United States of America). A preprolactin construct was also prepared to use as a control (Haynes et al., 1997).

Example 2 Expression of GRP94ΔKDEL in 4T1 Mammary Carcinoma Cells

[0258] A GRPΔKDEL cDNA construct, prepared as described in Example 1, was transfected into 4T1 mammary carcinoma cells. 4T1 cells (H-2d) and NIH-3T3 cells were cultured in Dulbecco's Modified Eagle's Medium (DMEM) supplemented with 10% fetal calf serum, 100 U/ml penicillin, and 100 μg/ml streptomycin. All cell lines were negative for mycoplasma DNA.

[0259] All transfections were performed using Lipofectamine™ reagent (Gibco BRL of Rockville, Md., United States of America) according to manufacturer's instructions. Mock transfections were performed with serum-free DMEM or with pEF/myc/cyto vector plus Lipofecatamine™ reagent. For dendritic cell (DC) maturation experiments, cells were transfected for 5 hours in serum-free DMEM plus DNA and Lipofectamine™ reagent. Cells were then rinsed gently with sterile phosphate buffered saline (PBS) and transferred to DC culture media. Conditioned media were collected for 72 hours, then subjected to low-speed centrifugation to clear cell debris. These media were then applied to day 6 dendritic cells, as described below.

[0260] To prepare transfected cells for fluorescence microscopy, cells were grown on glass coverslips in 6-well plates overnight to 50% confluence. Cells were then fixed in 4% paraformaldehyde in PBS for 10 minutes on ice. Fixed cells were permeabilized in 0.1% Triton X-100 in PBS for 15 minutes on ice. Blocking was performed by incubation in 1% bovine serum albumin (BSA) in PBS for 30 minutes at room temperature. Blocked cells were incubated in a 1:200 dilution of anti-myc antibody in 0.1% BSA in PBS for 1 hour at room temperature. Following extensive washing, cells were incubated in a 1:200 dilution of TEXAS RED® fluorescent dye (Molecular Probes, Inc. of Eugene, Wash., United States of America)-conjugated goat anti-mouse antibody conjugated (Cappel Laboratories of Westchester, Pa., United States of America) in 0.1% BSA in PBS for 1 hour at room temperature. Cells were again washed and mounted onto glass slides using mounting media (Difco Laboratories, Inc. of Detroit, Mich., United States of America). Fluorescently-labeled cells were visualized using a Zeiss LSM-410 scanning laser confocal microscope (Carl Zeiss Microimaging, Inc. of Thronwood, N.Y., United States of America). All images were processed using PHOTOSHOP® Version 6.0 software (Adobe Systems, Inc. of San Jose, Calif., United States of America).

[0261] Following transfection into 4T1 cells, GRPΔKDEL was distinguished from endogenous, full-length GRP94 through a myc epitope tag conferred by the expression vector. Anti-peptide antiserum against GRP94 (DU-120) was prepared according to the protocol of Harlow and Lane (Harlow & Lane, 1988), with antibody production being performed by Cocalico Biologicals of Reamstown, Pa., United States of America. Monoclonal antibody 9E10 to the myc epitope was purchased from Zymed Laboratories of South San Francisco, Calif., Unites States of America. Typically, a transfection efficiency of 25% was observed, with myc-positive cells displaying a canonical ER staining pattern. Transfection in the absence of plasmid DNA or in the presence of vector alone did not yield myc staining.

Example 3 Secretion and Processing of GRP94ΔKDEL by 4T1 Mammary Carcinoma Cells

[0262] To determine whether GRPΔKDEL was secreted, immunoprecipitations were performed on supernatants from GRPΔKDEL-transfected 4T1 cells and mock-transfected control cells. 4T1 cells were grown on glass coverslips, fixed, permeabilized, and incubated with anti-myc antibody (9E10). The myc tag was detected using a secondary antibody conjugated to TEXAS RED® fluorescent dye (Molecular Probes, Inc. of Eugene, Wash., United States of America).

[0263] Supernatants derived from transfected cells and immunoprecipitated with anti-myc antibody yielded a doublet of proteins of 100 and 110 kDa. Supernatants of mock-transfected cells yielded neither protein species. Similar patterns were observed in anti-myc immunoprecipitates of cell lysates, though as expected, immunoprecipitation with anti-GRP94 antibody yielded a prominent band in mock-transfected cells representing endogenous GRP94. Comparison of the relative mobilities of protein bands indicated that GRPΔKDEL has a slightly higher molecular weight than endogenous GRP94 due to the presence of the myc tag.

[0264] The appearance of GRPΔKDEL as a doublet can result from oligosaccharide modification during transit of the polypeptide through the Golgi apparatus. To explore this possibility, immunoprecipitates of chase media or cell lysates from GRPΔKDEL-transfected cells were subjected to digestion with endoglycosidase H (Endo H; available from Boehringer Mannheim of Indianapolis, Ind., United States of America) or peptide N-glycosidase F (PNGase-F; available from New England Biolabs of Beverly, Mass., United States of America) and separated by SDS-PAGE.

[0265] At 24 hours post-transfection or mock transfection, cells were starved by incubation in serum-, methionine-, and cysteine-free DMEM at 37° C. for 20 minutes. Pulse labeling was performed by incubation in serum-free, methionine-free, and cysteine-free DMEM supplemented with 100 μCi/ml ³⁵S-labeled Pro-Mix (Amersham Biosciences of Piscataway, N.J., United States of America) at 37° C. for 30 minutes. Cells were then washed and incubated in chase medium (growth medium plus 1 mM unlabeled L-methionine) at 37° C. for the indicated times. Samples of chase media were collected and cleared by centrifugation at 13,000 rpm for 5 minutes in a microfuge. Cells were lysed in ice-cold lysis buffer (150 mM NaCl, 50 mM Tris, pH 7.5, 0.05% SDS, 1% NP-40). Lysates were cleared of cell debris by centrifugation at 13,000 rpm for 5 minutes in a microfuge. All samples were pre-cleared with normal mouse serum and Pansorbin cells (Calbiochem of La Jolla, Calif., United States of America).

[0266] Proteins were immunoprecipitated from pre-cleared chase media and lysates using anti-GRP94 (DU-120) or anti-myc (9E10) antibodies and protein-A sepharose beads. Immunoprecipitates were processed for SDS-PAGE and resolved on 6%, 10%, or 12.5% polyacrylamide gels. Alternatively, immunoprecipitates were processed for glycosidase digestion as follows. Samples were incubated in denaturing buffer (0.5% SDS, 1% 2-mercaptoethanol) at 100° C. for 10 minutes.

[0267] For Endo H digestions, denatured proteins were incubated in G5 buffer (50 mM sodium citrate, pH 5.5) with or without 5 mU Endo H at 37° C. for 2.5 hours. For PNGase-F digestions, denatured proteins were incubated in G7 buffer (50 mM sodium phosphate, pH 7.5) plus 1% NP-40 with or without 0.8 mU PNGase-F at 37° C. for 2.5 hours. Samples were then processed for SDS-PAGE, resolved on 6% acrylamide gels. Radiolabeled proteins were visualized using a BASTM system for phoshpor imaging and MACBAS™-2.0 software (Fuji Medical Systems USA, Inc. of Stamford, Conn., United States of America).

[0268] In both chase media and cell lysates, the doublet resolved to a single protein species upon digestion with PNGase-F. Endogenous GRP94 in cell lysates shifted to a higher-mobility position upon PNGase-F digestion but remained distinct from GRPΔKDEL species. Endo H, an enzyme that cleaves high mannose oligosaccharides present on ER-resident proteins, did not affect the doublet present in chase media but resolved that present in cell lysates to a single species. These experiments showed that GRPΔKDEL is a single protein species, which undergoes heterogeneous oligosaccharide modification along the exocytic pathway.

Example 4 GRPΔKDEL Secretion Kinetics

[0269] Deletion of the KDEL retention/retrieval sequence of ER resident lumenal proteins allowed secretion of GRPΔKDEL, albeit often at markedly slower rates than that observed in bona fide secretory proteins.

[0270] To assess the relative rate of GRPΔKDEL secretion, pulse-chase studies were performed on 4T1 cells that had been transfected with constructs encoding either GRPΔKDEL or the secretory hormone preprolactin. 4T1 breast carcinoma cells were metabolically labeled for 30 minutes. Following initiation of the chase period, cell and media samples were collected, and GRPDKDEL or prolactin were recovered by immunoprecipitation and the GRP94 treated with PNGase-F. Proteins were resolved by SDS-PAGE on 6% gels for GRPΔKDEL or 10% gels for prolactin. Protein bands were analyzed using a BASTM system for phoshpor imaging and MACBAS™-2.0 software (Fuji Medical Systems USA, Inc. of Stamford, Conn., United States of America). An amount of protein quantified in each band was used to determine the percent total GRPΔKDEL or prolactin present in the media or cell lysate at each time point.

[0271] These experiments indicated that GRPΔKDEL secretion is efficient, with a half-time of 120 minutes versus 60 minutes for native prolactin. Interestingly, endogenous GRP94, was seen as a distinct band in immunoprecipitates of cell lysates, and remained at fairly constant levels over time, indicating that heterodimerization of full-length GRP94 with GRPΔKDEL was not a significant competing assembly reaction.

Example 5 GRPΔKDEL Secreted from 4T1 Mammary Carcinoma Cells or NIH3T3 Fibroblasts Protects Against 4T1 Tumor Challenge

[0272] To assess the importance of antigen-independent effects in GRP94-mediated tumor rejection, a 4T1 murine tumor progression model was studied. 4T1 mammary carcinoma cells were chosen as a model tumor cell line because they are highly aggressive, metastasize widely, and respond poorly to therapy (Coveney et al., 1996; Lohr et al., 2001). To ensure that cells used in the immunization phase did not establish tumors, cells were irradiated prior to injection into animals. Irradiation did not affect levels of GRPΔKDEL expression or secretion (FIG. 1A).

[0273] Transfected 4T1 and NIH3T3 (H-2q) cells (American Type Culture Collection of Manassas, Va., United States of America) were prepared as described in Example 2. Cells were irradiated (10,000 rad) at 24 hours post-transfection.

[0274] Female BALB/c mice (H-2d) were obtained from Charles River Laboratories (Raleigh, N.C., United States of America). Female C57BU6 mice (H-2^(b)) were obtained from NCI Frederick Cancer Research and Development Center (Frederick, Md., United States of America). Animals were maintained and treated in accordance with all applicable guidelines of the Institutional Animal Care and Use Committee (IACUC) of the American Association for Laboratory Animal Science.

[0275] Transfected, irradiated cells were washed extensively with sterile PBS, then injected into the left hind limb skin of BALB/c mice at 2-4×10⁶ cells per animal. Immunizations were given weekly for four consecutive weeks. At week 5, mice were challenged with 1×10⁶ 4T1 cells in sterile PBS by injection into the skin of the right back. Tumor length, width, and height were measured every 2-3 days following challenge, and tumor volume was calculated using the following formula:

Volume=(π/6)×length×width×height

[0276] At the completion of the study, animals were sacrificed, and lungs were resected and weighed. For tumor volume and lung weight data, the significance of differences between groups was analyzed with the Wilcoxon rank sum test.

[0277] In one set of studies, GRPΔKDEL-transfected or mock-transfected 4T1 cells were used in the vaccination phase prior to challenge with live 4T1 cells. As expected, both control mice vaccinated with PBS and mice vaccinated with mock-transfected 4T1 cells (4T1-mock) displayed rapid tumor progression (FIGS. 1B, 1C, and 1E). Mock-transfected 4T1 cells provided a modest induction of anti-tumor immune responses compared to PBS, but the difference in tumor volumes between these two groups was not statistically significant (p=0.33). Notably, mice vaccinated with GRPΔKDEL-secreting 4T1 cells (4T1-ΔKDEL) displayed markedly delayed tumor progression compared to control animals (FIGS. 1D-1E). The difference in tumor volumes between this group and control groups was statistically significant (p=0.00005 for PBS versus 4T1-ΔKDEL, and p=0.0021 for 4T1-mock versus 4T1-ΔKDEL).

[0278] In a second study, GRPΔKDEL-transfected or mock-transfected NIH-3T3 fibroblasts were used in the vaccination phase preceding challenge with 4T1 cells. Again, both control mice vaccinated with PBS and mice vaccinated with mock-transfected NIH-3T3 cells (NIH-mock) displayed rapid tumor progression (FIGS. 1B, 1F, and 1H). The difference in tumor volumes between these groups was not statistically significant (p=0.57). Interestingly, animals that were immunized with GRPΔKDEL-secreting NIH-3T3 cells (NIH-ΔKDEL) displayed markedly delayed tumor progression (FIGS. 1G-1H; p=0.0013 for PBS versus NIH-ΔKDEL, and p=0.0022 for NIH-mock versus NIH-ΔKDEL).

[0279] Following sacrifice, lungs were excised from animals in each group and weighed as a measure of tumor metastasis. Lungs from animals vaccinated with GRPΔKDEL-secreting 4T1 cells weighed significantly less than those of control animals (FIG. 11; p=0.0012 for PBS versus 4T1-ΔKDEL, and p=0.010 for 4T1-mock vs. 4T1-ΔKDEL). The lungs of animals vaccinated with GRPΔKDEL-secreting NIH3T3 cells also weighed significantly less than those of control mice (FIG. 11; p=0.025 for PBS-vaccinated versus NIH-ΔKDEL, and p=0.026 for NIH-mock versus NIH-ΔKDEL). Animals receiving immunizations of mock-transfected 4T1 cells demonstrated slightly reduced lung weights compared to PBS-vaccinated controls, though this difference was not statistically significant (p=0.07). These data demonstrate that secretion of GRP94 by irradiated tumor cells provides a significant suppression of tumor growth and metastatic progression. Further, these data were unexpected, as they indicate that the tissue source of GRP94 was not an essential determinant in the induction of GRP94-dependent suppression of tumor growth and metastatic progression.

[0280] To compare the relative levels of GRPΔKDEL secretion by 4T1 and NIH-3T3 cells, pulse-chase experiments were performed (FIG. 1J). The level of GRPΔKDEL secretion by both cell types was comparable, indicating that the tumor suppression observed after immunization with GRP94-secreting fibroblasts does not result from an increased GRP94 dose as compared with GRP94-secreting 4T1 cells.

Example 6 The Amino-Terminal Regulatory Domain of GRP94 Protects Against Tumor Challenge

[0281] The observation that GRP94 secreted from NIH3T3 cells protected against 4T1 tumor challenge suggested that antigen-independent mechanisms play an important role in GRP94-mediated tumor rejection. Alternatively, 4T1 and NIH-3T3 cell lines shared common, immunodominant antigens that were responsible for the observed results. To distinguish between these explanations, a form of GRP94 that lacked the ability to bind peptides but retained the ability to directly activate immune responses was prepared.

[0282] The peptide-binding site of GRP94 has been identified previously to reside in the C-terminal region of the molecule (Linderoth et al., 2000). To create a non-peptide binding GRP94 polypeptide, a construct was prepared to encode the amino-terminal regulatory domain of GRP94, corresponding to amino acids 1-337 of the protein, GRP(1-337) (SEQ ID NO:2). This region of GRP94 comprises a discrete structural domain that serves as the binding site for anti-tumor compounds and adenosine nucleotides (Prodromou et al., 1997b; Prodromou et al., 1997a; Stebbins et al., 1997; Rosser & Nicchitta, 2000). Importantly, no structural motifs exist in this domain that could function in the binding of peptides of suitable length for assembly onto MHC class I molecules (≧9 amino acids). See Stebbins et al. (1997) Cell 89:239-250. Upon transfection of GRP(1-337 cDNA into 4T1 cells, a 36 kDa protein was expressed and recognized by a polyclonal antibody raised against the N-terminal domain of GRP94. GRP94(1-337) appeared as a single species in anti-GRP94 immunoprecipitations, indicating it did not undergo the extensive heterogeneous glycosylation observed for GRPΔKDEL.

[0283] In vivo tumor rejection studies were performed using 4T1 cells transfected with GRP(1-337) in the vaccination phase (FIGS. 2A-2D). Mice receiving immunizations of GRP(1-337)-transfected 4T1 cells displayed substantially smaller tumor size and overall slower tumor growth rates as compared with mice vaccinated with PBS or mock-transfected cells (p=0.0002 for PBS versus 4T1-GRP(1-337), and p=0.0006 for 4T1-mock versus 4T1-GRP(1-337)).

[0284] At the time of sacrifice, lungs were excised from animals in all groups and weighed (FIG. 2D). Animals vaccinated with GRP(1-337)-secreting 4T1 cells displayed lung weights that were significantly lower than those of control animals (p=0.0031 for PBS versus 4T1-GRP(1-337) and p=0.0008 for 4T1-mock versus 4T1-GRP(1-337)). These observations demonstrated that the amino-terminal domain of GRP94 was effective in protecting against subsequent 4T1 tumor challenge and that antigen-independent mechanisms play an important role in the immunomodulatory activities of GRP94.

Example 7

[0285] GRP94ΔKDEL and GRP94(1-337) Elicit Dendritic Cell Maturation

[0286] Bone marrow-derived dendritic cells (DCs) were propagated from bone marrow progenitor cells according to the method of Inaba et al. (1992) J Exp Med 176:1693-1702 with minor modifications. Bone marrow precursors were flushed from the tibiae and femurs of C57BL/6 mice and plated at 1×10⁶ cells/ml in DC culture media (RPMI 1640 plus 5% heat-inactivated fetal calf serum, 100 U/ml penicillin, 100 μg/ml streptomycin, 20 μg/ml gentamicin, 50 μM 2-mercaptoethanol) supplemented with granulocyte macrophage-colony stimulating factor (GM-CSF; 5% culture supernatant from X63 cells stably transfected with murine GM-CSF cDNA). Cultures were washed on day 2 and day 4.

[0287] For maturation assays, day 6 DCs were harvested, pelleted by brief centrifugation, and transferred to fresh 6-well plates at 5×10⁵ cells/ml after resuspension in the appropriate control media or conditioned media. For DC maturation studies, cells were harvested on day 7, and Fc receptors blocked with immunoglobulin prior to staining with Phycoerythrin (PE)-conjugated rat anti-mouse CD86 antibody (BD PharMingen of San Diego, Calif., United States of America). Following fixation, cells were then analyzed by flow cytometry using FACSCAN™ software (Becton, Dickinson & Company of Franklin Lakes, N.J., United States of America) and CELLQUEST™ software (Becton, Dickinson & Company of Franklin Lakes, N.J., United States of America).

[0288] Exposure of immature dendritic cells to GRP94 results in upregulation of major histocompatibility class I and class II, expression of co-stimulatory molecules such as B7-2 (CD86), and secretion of cytokines (Basu et al., 2000; Binder et al., 2000b; Singh-Jasuja et al., 2000a). To test the ability of a non-peptide binding stress response polypeptide to modulate immune responses, the ability of secreted GRPΔKDEL and GRP(1-337) to elicit dendritic cell maturation was assayed in vitro.

[0289] Dendritic cells isolated on day 6 of culture typically display an immature phenotype characterized by expression of CD11 c (CD11c⁺), intermediate levels of MHC Class II polypeptides (MHC Class II^(intermediate)), lack of GR-1 expression (GR-1⁻), low levels of CD80 polypeptides (CD80^(low)), and low levels of CD86 polypeptides (CD86^(low)). See Inaba et al. (1992) J Exp Med 176:1693-1702.

[0290] Upon exposure to a stimulatory molecule such as lipopolysaccharride (LPS), dendritic cells convert to a mature phenotype characterized by expression of CD11c (CD11c⁺), high levels of MHC Class II polypeptides (MHC Class II^(high)), lack of GR-1 expression (GR-1⁻), high levels of CD80 polypeptides (CD80^(high)), and high levels of and CD86 polypeptides (CD₈₆ ^(high)). See Brinker et al. (2001) Am J Physiol Lung Cell Mol Physiol 281:L1453-1463.

[0291] GRP94 was chosen as a marker to monitor the DC response to GRPΔKDEL and GRP(1-337) based on its ability to upregulate CD86 expression on dendritic cells (Basu et al., 2000; Singh-Jasuja et al., 2000a). As expected, incubation of dendritic cells in GM-CSF-free media resulted in the majority of cells expressing low levels of CD86 (FIG. 3A). In contrast, incubation in LPS-containing media produced a robust upregulation of cell-surface CD86 (FIG. 3A). Compared to cells incubated in media alone, DCs exposed to conditioned media from mock-transfected, GRPΔKDEL-transfected, or GRP(1-337)-transfected 4T1 cells displayed an upregulation of CD86 expression. The level of CD86 observed following exposure of dendritic cells to GRPΔKDEL- and GRP(1-337)-transfected 4T1 supernatants was higher than a level observed following exposure of dendritic cells to mock-transfected 4T1 supernatant. The ability of conditioned media from mock-transfected 4T1 cells to mature DCs indicates that this cell type likely secretes factors other than GRP94 that are capable of eliciting this response. Incubation of immature DCs in conditioned media from mock-transfected NIH3T3 cells, on the other hand, produced little upregulation of CD86 expression compared to media alone (FIGS. 3B-3C). Notably, conditioned media from GRPΔKDEL-transfected or GRP (1-337)-transfected NIH-3T3 cells yielded a robust upregulation of CD86 (FIGS. 3B-3C). These data indicate that both secreted GRP94 and its amino-terminal domain are able to elicit dendritic cell maturation regardless of cell type of origin.

Example 8 Interaction of GRP94 NTD with APC

[0292] The interaction of GRP94 NTD with APC was also examined. GRP94 NTD displayed cell surface binding to bone marrow-derived DCs, elicited peritoneal macrophages, and the macrophage-derived cell line RAW264.7. Little or no binding of GRP94 NTD was observed in B16-F10 melanoma cells, COS7 kidney cells, or NIH-3T3 fibroblasts. Fluorescently labeled full-length GRP94 similarly displayed binding to DCs, peritoneal macrophages, and RAW264.7 cells with little to no binding to B16-F10, COS7, or NIH-3T3 cells.

[0293] As a result of cell surface binding to APCs, GRP94 undergoes receptor-mediated endocytosis. To investigate the fate of cell surface-bound GRP94 NTD, fluorescently labeled GRP94 or GRP94 NTD was first bound to elicited peritoneal macrophages at 40° C. After binding, unbound protein was removed by washing and the cells were warmed to 37° C. In cells fixed before warming, prominent cell surface binding of both GRP94 and the GRP94 NH2-terminal domain was observed (0 minutes). After 10 minutes at 37° C., both GRP94 and GRP94 NH2-terminal domain gained entry to the cell as indicated by a punctate intracellular peri-plasmalemmal staining pattern (10 minutes). At longer incubation intervals, GRP94 and GRP94 NH2-terminal domain were more widely dispersed throughout the cell interior in prominent vesicular structures. At each time point, full-length GRP94 co-localized with the GRP94 NH2-terminal domain. The internalization of GRP94 and GRP94 NH2-terminal domain was not interdependent. Both proteins were internalized and displayed a similar trafficking pattern in the absence of the other. These observations indicate that the NH2-terminal domain of GRP94 displays the pattern elements necessary for recognition and clearance by APCs.

Example 9 Vaccination Trials

[0294] Vaccination trials were performed with haplotype-matched KBALB fibroblasts transfected with GRPΔKDEL or GRP94 NTD cDNA (transfections performed substantially as disclosed herein above, see e.g. Example 5). The results of these studies are depicted in FIGS. 4A-4G, where it was observed that animals immunized with GRP94 NTD secreting KBALB cells displayed reduced primary tumor burden than animals immunized with PBS or mock-transfected cells (P≦0.0003 for PBS vs. KBALB-GRPΔKDEL, P≦0.0003 for PBS vs. KBALB-GRP94 NTD, and P≦0.24 for PBS vs. KBALB-Mock; FIGS. 4A-4E). In addition, animals immunized with syngeneic fibroblasts secreting GRPΔKDEL or GRP94 NTD had decreased metastatic tumor burden (P≦0.0003 for PBS vs. KBALB-GRPΔKDEL, P≦0.0002 for PBS vs. KBALB-GRP94 NTD, and P≦0.8 for PBS vs. KBALB-Mock; FIG. 4F). Together, these observations demonstrate that the NH2-terminal domain of GRP94 recapitulates the activity of GRPΔKDEL in suppressing tumor growth and metastatic progression.

[0295] To compare the relative levels of GRPΔKDEL and GRP94 NTD secretion by 4T1 and KBALB cells, pulse chase experiments were performed (FIG. 4G). The level of GRPΔKDEL and GRP94 NTD secretion by both cell types was comparable, indicating that the tumor suppression observed after immunization did not reflect differences in GRP94 dose.

Example 10 Tumor Histology

[0296] To gain insight into variations in the tumor microenvironment among the vaccination groups in the immunization and challenge protocols described above, tumors from the control and experimental groups were excised at the time of sacrifice, fixed, and prepared for histological analysis. In all cases, 4T1 tumors were characterized by the predominance of malignant-appearing cells with hyperchromatic nuclei and high nuclear to cytoplasmic ratios. Mitotic figures were abundant and several a typical mitoses were observed, although the mitotic rate did not differ significantly among the various vaccination groups. The tumors featured large tracts of necrosis with obvious pyknosis and karyolysis of nuclear material. At the midpoint of the study, tumors were characterized by the presence of macrophages, neutrophils, and rare lymphocytes, although the relative number of inflammatory cells did not differ greatly among the various vaccination groups. As seen at low power, tumors in control animals receiving vaccinations of PBS, mock-transfected 4T1 cells or mock-transfected NIH-3T3 cells were larger in size and contained larger areas of necrosis than tumors in animals receiving vaccinations of GRPΔKDEL of GRP94 NTD transfected 4T1 or NIH-3T3 cells.

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1 27 1 1011 DNA Canis familiaris CDS (1)..(1011) 1 atg agg gcc ctg tgg gtg ctg ggc ctc tgc tgc gtc ctg ctg acc ttc 48 Met Arg Ala Leu Trp Val Leu Gly Leu Cys Cys Val Leu Leu Thr Phe 1 5 10 15 ggg tca gtc cga gct gac gat gaa gtc gat gtg gat ggt aca gtg gaa 96 Gly Ser Val Arg Ala Asp Asp Glu Val Asp Val Asp Gly Thr Val Glu 20 25 30 gag gat ctg ggt aaa agt aga gaa ggc tcc agg aca gat gat gaa gta 144 Glu Asp Leu Gly Lys Ser Arg Glu Gly Ser Arg Thr Asp Asp Glu Val 35 40 45 gtg cag aga gag gaa gaa gct att cag ttg gat gga tta aat gca tcc 192 Val Gln Arg Glu Glu Glu Ala Ile Gln Leu Asp Gly Leu Asn Ala Ser 50 55 60 caa ata aga gaa ctt aga gaa aaa tca gaa aaa ttt gcc ttc caa gct 240 Gln Ile Arg Glu Leu Arg Glu Lys Ser Glu Lys Phe Ala Phe Gln Ala 65 70 75 80 gaa gtg aat aga atg atg aaa ctt atc atc aat tca ttg tat aaa aat 288 Glu Val Asn Arg Met Met Lys Leu Ile Ile Asn Ser Leu Tyr Lys Asn 85 90 95 aaa gag att ttc ttg aga gaa ctg att tca aat gct tct gat gcc tta 336 Lys Glu Ile Phe Leu Arg Glu Leu Ile Ser Asn Ala Ser Asp Ala Leu 100 105 110 gat aag ata agg tta ata tca ctg act gat gaa aat gct ctt gct gga 384 Asp Lys Ile Arg Leu Ile Ser Leu Thr Asp Glu Asn Ala Leu Ala Gly 115 120 125 aat gag gaa cta act gtc aaa att aag tgt gac aag gag aag aat ctg 432 Asn Glu Glu Leu Thr Val Lys Ile Lys Cys Asp Lys Glu Lys Asn Leu 130 135 140 cta cat gtc aca gac act ggt gtg gga atg acc cgg gaa gag ttg gtt 480 Leu His Val Thr Asp Thr Gly Val Gly Met Thr Arg Glu Glu Leu Val 145 150 155 160 aaa aac ctt ggt acc ata gcc aaa tct gga aca agc gag ttt tta aac 528 Lys Asn Leu Gly Thr Ile Ala Lys Ser Gly Thr Ser Glu Phe Leu Asn 165 170 175 aaa atg act gag gca caa gag gat ggc cag tca act tct gaa ctg att 576 Lys Met Thr Glu Ala Gln Glu Asp Gly Gln Ser Thr Ser Glu Leu Ile 180 185 190 ggg cag ttt ggt gtc ggt ttc tat tct gcc ttc ctt gtc gca gat aag 624 Gly Gln Phe Gly Val Gly Phe Tyr Ser Ala Phe Leu Val Ala Asp Lys 195 200 205 gtt att gtc aca tca aaa cac aac aac gat acc cag cat atc tgg gaa 672 Val Ile Val Thr Ser Lys His Asn Asn Asp Thr Gln His Ile Trp Glu 210 215 220 tct gac tcc aat gag ttc tct gta att gct gac cca cga ggg aac acc 720 Ser Asp Ser Asn Glu Phe Ser Val Ile Ala Asp Pro Arg Gly Asn Thr 225 230 235 240 ctc gga cgg gga aca aca att aca ctt gtt tta aaa gaa gaa gca tct 768 Leu Gly Arg Gly Thr Thr Ile Thr Leu Val Leu Lys Glu Glu Ala Ser 245 250 255 gat tac ctt gaa ttg gac aca att aaa aat ctc gtc aag aaa tat tca 816 Asp Tyr Leu Glu Leu Asp Thr Ile Lys Asn Leu Val Lys Lys Tyr Ser 260 265 270 cag ttt ata aac ttc cct att tat gtg tgg agc agc aag act gaa act 864 Gln Phe Ile Asn Phe Pro Ile Tyr Val Trp Ser Ser Lys Thr Glu Thr 275 280 285 gtt gag gag ccc atg gaa gaa gaa gaa gca gca aaa gaa gaa aaa gaa 912 Val Glu Glu Pro Met Glu Glu Glu Glu Ala Ala Lys Glu Glu Lys Glu 290 295 300 gat tct gat gat gaa gct gca gtg gaa gaa gaa gag gag gaa aaa aaa 960 Asp Ser Asp Asp Glu Ala Ala Val Glu Glu Glu Glu Glu Glu Lys Lys 305 310 315 320 cca aaa acc aaa aaa gtt gag aaa act gtc tgg gat tgg gag ctt atg 1008 Pro Lys Thr Lys Lys Val Glu Lys Thr Val Trp Asp Trp Glu Leu Met 325 330 335 aat 1011 Asn 2 337 PRT Canis familiaris 2 Met Arg Ala Leu Trp Val Leu Gly Leu Cys Cys Val Leu Leu Thr Phe 1 5 10 15 Gly Ser Val Arg Ala Asp Asp Glu Val Asp Val Asp Gly Thr Val Glu 20 25 30 Glu Asp Leu Gly Lys Ser Arg Glu Gly Ser Arg Thr Asp Asp Glu Val 35 40 45 Val Gln Arg Glu Glu Glu Ala Ile Gln Leu Asp Gly Leu Asn Ala Ser 50 55 60 Gln Ile Arg Glu Leu Arg Glu Lys Ser Glu Lys Phe Ala Phe Gln Ala 65 70 75 80 Glu Val Asn Arg Met Met Lys Leu Ile Ile Asn Ser Leu Tyr Lys Asn 85 90 95 Lys Glu Ile Phe Leu Arg Glu Leu Ile Ser Asn Ala Ser Asp Ala Leu 100 105 110 Asp Lys Ile Arg Leu Ile Ser Leu Thr Asp Glu Asn Ala Leu Ala Gly 115 120 125 Asn Glu Glu Leu Thr Val Lys Ile Lys Cys Asp Lys Glu Lys Asn Leu 130 135 140 Leu His Val Thr Asp Thr Gly Val Gly Met Thr Arg Glu Glu Leu Val 145 150 155 160 Lys Asn Leu Gly Thr Ile Ala Lys Ser Gly Thr Ser Glu Phe Leu Asn 165 170 175 Lys Met Thr Glu Ala Gln Glu Asp Gly Gln Ser Thr Ser Glu Leu Ile 180 185 190 Gly Gln Phe Gly Val Gly Phe Tyr Ser Ala Phe Leu Val Ala Asp Lys 195 200 205 Val Ile Val Thr Ser Lys His Asn Asn Asp Thr Gln His Ile Trp Glu 210 215 220 Ser Asp Ser Asn Glu Phe Ser Val Ile Ala Asp Pro Arg Gly Asn Thr 225 230 235 240 Leu Gly Arg Gly Thr Thr Ile Thr Leu Val Leu Lys Glu Glu Ala Ser 245 250 255 Asp Tyr Leu Glu Leu Asp Thr Ile Lys Asn Leu Val Lys Lys Tyr Ser 260 265 270 Gln Phe Ile Asn Phe Pro Ile Tyr Val Trp Ser Ser Lys Thr Glu Thr 275 280 285 Val Glu Glu Pro Met Glu Glu Glu Glu Ala Ala Lys Glu Glu Lys Glu 290 295 300 Asp Ser Asp Asp Glu Ala Ala Val Glu Glu Glu Glu Glu Glu Lys Lys 305 310 315 320 Pro Lys Thr Lys Lys Val Glu Lys Thr Val Trp Asp Trp Glu Leu Met 325 330 335 Asn 3 654 DNA Homo sapiens CDS (1)..(654) 3 atg cct gag gaa acc cag acc caa gac caa ccg atg gag gag gag gag 48 Met Pro Glu Glu Thr Gln Thr Gln Asp Gln Pro Met Glu Glu Glu Glu 1 5 10 15 gtt gag acg ttc gcc ttt cag gca gaa att gcc cag ttg atg tca ttg 96 Val Glu Thr Phe Ala Phe Gln Ala Glu Ile Ala Gln Leu Met Ser Leu 20 25 30 atc atc aat act ttc tac tcg aac aaa gag atc ttt ctg aga gag ctc 144 Ile Ile Asn Thr Phe Tyr Ser Asn Lys Glu Ile Phe Leu Arg Glu Leu 35 40 45 att tca aat tca tca gat gca ttg gac aaa atc cgg tat gaa agc ttg 192 Ile Ser Asn Ser Ser Asp Ala Leu Asp Lys Ile Arg Tyr Glu Ser Leu 50 55 60 aca gat ccc agt aaa tta gac tct ggg aaa gag ctg cat att aac ctt 240 Thr Asp Pro Ser Lys Leu Asp Ser Gly Lys Glu Leu His Ile Asn Leu 65 70 75 80 ata ccg aac aaa caa gat cga act ctc act att gtg gat act gga att 288 Ile Pro Asn Lys Gln Asp Arg Thr Leu Thr Ile Val Asp Thr Gly Ile 85 90 95 gga atg acc aag gct gac ttg atc aat aac ctt ggt act atc gcc aag 336 Gly Met Thr Lys Ala Asp Leu Ile Asn Asn Leu Gly Thr Ile Ala Lys 100 105 110 tct ggg acc aaa gcg ttc atg gaa gct ttg cag gct ggt gca gat atc 384 Ser Gly Thr Lys Ala Phe Met Glu Ala Leu Gln Ala Gly Ala Asp Ile 115 120 125 tct atg att ggc cag ttc ggt gtt ggt ttt tat tct gct tat ttg gtt 432 Ser Met Ile Gly Gln Phe Gly Val Gly Phe Tyr Ser Ala Tyr Leu Val 130 135 140 gct gag aaa gta act gtg atc acc aaa cat aac gat gat gag cag tac 480 Ala Glu Lys Val Thr Val Ile Thr Lys His Asn Asp Asp Glu Gln Tyr 145 150 155 160 gct tgg gag tcc tca gca ggg gga tca ttc aca gtg agg aca gac aca 528 Ala Trp Glu Ser Ser Ala Gly Gly Ser Phe Thr Val Arg Thr Asp Thr 165 170 175 ggt gaa cct atg ggt cgt gga aca aaa gtt atc cta cac ctg aaa gaa 576 Gly Glu Pro Met Gly Arg Gly Thr Lys Val Ile Leu His Leu Lys Glu 180 185 190 gac caa act gag tac ttg gag gaa cga aga ata aag gag att gtg aag 624 Asp Gln Thr Glu Tyr Leu Glu Glu Arg Arg Ile Lys Glu Ile Val Lys 195 200 205 aaa cat tct cag ttt att gga tat ccc att 654 Lys His Ser Gln Phe Ile Gly Tyr Pro Ile 210 215 4 218 PRT Homo sapiens 4 Met Pro Glu Glu Thr Gln Thr Gln Asp Gln Pro Met Glu Glu Glu Glu 1 5 10 15 Val Glu Thr Phe Ala Phe Gln Ala Glu Ile Ala Gln Leu Met Ser Leu 20 25 30 Ile Ile Asn Thr Phe Tyr Ser Asn Lys Glu Ile Phe Leu Arg Glu Leu 35 40 45 Ile Ser Asn Ser Ser Asp Ala Leu Asp Lys Ile Arg Tyr Glu Ser Leu 50 55 60 Thr Asp Pro Ser Lys Leu Asp Ser Gly Lys Glu Leu His Ile Asn Leu 65 70 75 80 Ile Pro Asn Lys Gln Asp Arg Thr Leu Thr Ile Val Asp Thr Gly Ile 85 90 95 Gly Met Thr Lys Ala Asp Leu Ile Asn Asn Leu Gly Thr Ile Ala Lys 100 105 110 Ser Gly Thr Lys Ala Phe Met Glu Ala Leu Gln Ala Gly Ala Asp Ile 115 120 125 Ser Met Ile Gly Gln Phe Gly Val Gly Phe Tyr Ser Ala Tyr Leu Val 130 135 140 Ala Glu Lys Val Thr Val Ile Thr Lys His Asn Asp Asp Glu Gln Tyr 145 150 155 160 Ala Trp Glu Ser Ser Ala Gly Gly Ser Phe Thr Val Arg Thr Asp Thr 165 170 175 Gly Glu Pro Met Gly Arg Gly Thr Lys Val Ile Leu His Leu Lys Glu 180 185 190 Asp Gln Thr Glu Tyr Leu Glu Glu Arg Arg Ile Lys Glu Ile Val Lys 195 200 205 Lys His Ser Gln Phe Ile Gly Tyr Pro Ile 210 215 5 2415 DNA Canis familiaris CDS (1)..(2415) 5 atg agg gcc ctg tgg gtg ctg ggc ctc tgc tgc gtc ctg ctg acc ttc 48 Met Arg Ala Leu Trp Val Leu Gly Leu Cys Cys Val Leu Leu Thr Phe 1 5 10 15 ggg tca gtc cga gct gac gat gaa gtc gat gtg gat ggt aca gtg gaa 96 Gly Ser Val Arg Ala Asp Asp Glu Val Asp Val Asp Gly Thr Val Glu 20 25 30 gag gat ctg ggt aaa agt aga gaa ggc tcc agg aca gat gat gaa gta 144 Glu Asp Leu Gly Lys Ser Arg Glu Gly Ser Arg Thr Asp Asp Glu Val 35 40 45 gtg cag aga gag gaa gaa gct att cag ttg gat gga tta aat gca tcc 192 Val Gln Arg Glu Glu Glu Ala Ile Gln Leu Asp Gly Leu Asn Ala Ser 50 55 60 caa ata aga gaa ctt aga gaa aaa tca gaa aaa ttt gcc ttc caa gct 240 Gln Ile Arg Glu Leu Arg Glu Lys Ser Glu Lys Phe Ala Phe Gln Ala 65 70 75 80 gaa gtg aat aga atg atg aaa ctt atc atc aat tca ttg tat aaa aat 288 Glu Val Asn Arg Met Met Lys Leu Ile Ile Asn Ser Leu Tyr Lys Asn 85 90 95 aaa gag att ttc ttg aga gaa ctg att tca aat gct tct gat gcc tta 336 Lys Glu Ile Phe Leu Arg Glu Leu Ile Ser Asn Ala Ser Asp Ala Leu 100 105 110 gat aag ata agg tta ata tca ctg act gat gaa aat gct ctt gct gga 384 Asp Lys Ile Arg Leu Ile Ser Leu Thr Asp Glu Asn Ala Leu Ala Gly 115 120 125 aat gag gaa cta act gtc aaa att aag tgt gac aag gag aag aat ctg 432 Asn Glu Glu Leu Thr Val Lys Ile Lys Cys Asp Lys Glu Lys Asn Leu 130 135 140 cta cat gtc aca gac act ggt gtg gga atg acc cgg gaa gag ttg gtt 480 Leu His Val Thr Asp Thr Gly Val Gly Met Thr Arg Glu Glu Leu Val 145 150 155 160 aaa aac ctt ggt acc ata gcc aaa tct gga aca agc gag ttt tta aac 528 Lys Asn Leu Gly Thr Ile Ala Lys Ser Gly Thr Ser Glu Phe Leu Asn 165 170 175 aaa atg act gag gca caa gag gat ggc cag tca act tct gaa ctg att 576 Lys Met Thr Glu Ala Gln Glu Asp Gly Gln Ser Thr Ser Glu Leu Ile 180 185 190 ggg cag ttt ggt gtc ggt ttc tat tct gcc ttc ctt gtc gca gat aag 624 Gly Gln Phe Gly Val Gly Phe Tyr Ser Ala Phe Leu Val Ala Asp Lys 195 200 205 gtt att gtc aca tca aaa cac aac aac gat acc cag cat atc tgg gaa 672 Val Ile Val Thr Ser Lys His Asn Asn Asp Thr Gln His Ile Trp Glu 210 215 220 tct gac tcc aat gag ttc tct gta att gct gac cca cga ggg aac acc 720 Ser Asp Ser Asn Glu Phe Ser Val Ile Ala Asp Pro Arg Gly Asn Thr 225 230 235 240 ctc gga cgg gga aca aca att aca ctt gtt tta aaa gaa gaa gca tct 768 Leu Gly Arg Gly Thr Thr Ile Thr Leu Val Leu Lys Glu Glu Ala Ser 245 250 255 gat tac ctt gaa ttg gac aca att aaa aat ctc gtc aag aaa tat tca 816 Asp Tyr Leu Glu Leu Asp Thr Ile Lys Asn Leu Val Lys Lys Tyr Ser 260 265 270 cag ttt ata aac ttc cct att tat gtg tgg agc agc aag act gaa act 864 Gln Phe Ile Asn Phe Pro Ile Tyr Val Trp Ser Ser Lys Thr Glu Thr 275 280 285 gtt gag gag ccc atg gaa gaa gaa gaa gca gca aaa gaa gaa aaa gaa 912 Val Glu Glu Pro Met Glu Glu Glu Glu Ala Ala Lys Glu Glu Lys Glu 290 295 300 gat tct gat gat gaa gct gca gtg gaa gaa gaa gag gag gaa aaa aaa 960 Asp Ser Asp Asp Glu Ala Ala Val Glu Glu Glu Glu Glu Glu Lys Lys 305 310 315 320 cca aaa acc aaa aaa gtt gag aaa act gtc tgg gat tgg gag ctt atg 1008 Pro Lys Thr Lys Lys Val Glu Lys Thr Val Trp Asp Trp Glu Leu Met 325 330 335 aat gac atc aaa cca ata tgg cag aga cca tca aaa gaa gta gaa gat 1056 Asn Asp Ile Lys Pro Ile Trp Gln Arg Pro Ser Lys Glu Val Glu Asp 340 345 350 gac gaa tac aaa gct ttc tac aaa tca ttt tca aag gaa agt gat gac 1104 Asp Glu Tyr Lys Ala Phe Tyr Lys Ser Phe Ser Lys Glu Ser Asp Asp 355 360 365 ccc atg gct tat atc cac ttt act gct gaa ggg gaa gtc acc ttc aaa 1152 Pro Met Ala Tyr Ile His Phe Thr Ala Glu Gly Glu Val Thr Phe Lys 370 375 380 tca att tta ttt gta cct aca tct gct cca cgt ggt ctg ttt gat gaa 1200 Ser Ile Leu Phe Val Pro Thr Ser Ala Pro Arg Gly Leu Phe Asp Glu 385 390 395 400 tat gga tct aag aag agt gat tac att aag ctt tac gtg cgc aga gta 1248 Tyr Gly Ser Lys Lys Ser Asp Tyr Ile Lys Leu Tyr Val Arg Arg Val 405 410 415 ttc atc aca gat gac ttc cat gat atg atg ccc aag tac ctt aac ttt 1296 Phe Ile Thr Asp Asp Phe His Asp Met Met Pro Lys Tyr Leu Asn Phe 420 425 430 gtc aag ggt gtt gtg gac tca gat gat ctc ccc ttg aat gtt tcc cgg 1344 Val Lys Gly Val Val Asp Ser Asp Asp Leu Pro Leu Asn Val Ser Arg 435 440 445 gaa act ctt cag caa cat aaa ctg ctt aag gtg att aga aag aag ctt 1392 Glu Thr Leu Gln Gln His Lys Leu Leu Lys Val Ile Arg Lys Lys Leu 450 455 460 gtc cgt aaa act ctg gac atg atc aag aag att gct gat gag aag tac 1440 Val Arg Lys Thr Leu Asp Met Ile Lys Lys Ile Ala Asp Glu Lys Tyr 465 470 475 480 aat gat act ttt tgg aaa gaa ttt ggt acc aac atc aag ctt ggt gta 1488 Asn Asp Thr Phe Trp Lys Glu Phe Gly Thr Asn Ile Lys Leu Gly Val 485 490 495 att gaa gac cac tca aat cga aca cgt ctt gct aaa ctt ctt aga ttc 1536 Ile Glu Asp His Ser Asn Arg Thr Arg Leu Ala Lys Leu Leu Arg Phe 500 505 510 cag tca tct cat cat cca agt gac ata acc agt cta gac caa tac gtg 1584 Gln Ser Ser His His Pro Ser Asp Ile Thr Ser Leu Asp Gln Tyr Val 515 520 525 gaa aga atg aag gag aag caa gac aaa atc tac ttc atg gct ggg tct 1632 Glu Arg Met Lys Glu Lys Gln Asp Lys Ile Tyr Phe Met Ala Gly Ser 530 535 540 agc aga aaa gag gct gaa tct tct cca ttt gtt gag cga ctt ctg aaa 1680 Ser Arg Lys Glu Ala Glu Ser Ser Pro Phe Val Glu Arg Leu Leu Lys 545 550 555 560 aag ggc tat gaa gtg att tat ctc acc gaa cct gtg gac gaa tac tgc 1728 Lys Gly Tyr Glu Val Ile Tyr Leu Thr Glu Pro Val Asp Glu Tyr Cys 565 570 575 att cag gct ctt cct gag ttt gat ggg aaa agg ttc cag aat gtt gcc 1776 Ile Gln Ala Leu Pro Glu Phe Asp Gly Lys Arg Phe Gln Asn Val Ala 580 585 590 aaa gaa ggt gtg aaa ttt gat gaa agt gag aaa aca aag gag agt cgt 1824 Lys Glu Gly Val Lys Phe Asp Glu Ser Glu Lys Thr Lys Glu Ser Arg 595 600 605 gaa gcg att gag aaa gaa ttt gag cct ctg ctc aac tgg atg aaa gat 1872 Glu Ala Ile Glu Lys Glu Phe Glu Pro Leu Leu Asn Trp Met Lys Asp 610 615 620 aaa gct ctc aag gac aag att gaa aag gcc gtg gta tct cag cgt ctg 1920 Lys Ala Leu Lys Asp Lys Ile Glu Lys Ala Val Val Ser Gln Arg Leu 625 630 635 640 aca gag tct ccg tgt gct ctg gtg gcc agc cag tat gga tgg tct ggc 1968 Thr Glu Ser Pro Cys Ala Leu Val Ala Ser Gln Tyr Gly Trp Ser Gly 645 650 655 aac atg gag aga atc atg aaa gct caa gca tac cag acg ggc aaa gac 2016 Asn Met Glu Arg Ile Met Lys Ala Gln Ala Tyr Gln Thr Gly Lys Asp 660 665 670 atc tct aca aat tac tat gcc agc caa aag aaa aca ttt gaa att aat 2064 Ile Ser Thr Asn Tyr Tyr Ala Ser Gln Lys Lys Thr Phe Glu Ile Asn 675 680 685 ccc aga cat ccc ctg atc aaa gac atg ctg cga cga gtt aag gaa gat 2112 Pro Arg His Pro Leu Ile Lys Asp Met Leu Arg Arg Val Lys Glu Asp 690 695 700 gaa gat gac aaa acg gta tcg gat ctt gct gtg gtt ttg ttt gag aca 2160 Glu Asp Asp Lys Thr Val Ser Asp Leu Ala Val Val Leu Phe Glu Thr 705 710 715 720 gca acg ctg aga tca ggc tat ctg cta cca gac act aaa gca tat gga 2208 Ala Thr Leu Arg Ser Gly Tyr Leu Leu Pro Asp Thr Lys Ala Tyr Gly 725 730 735 gat cga ata gaa aga atg ctt cgc ctc agt tta aac att gac cct gat 2256 Asp Arg Ile Glu Arg Met Leu Arg Leu Ser Leu Asn Ile Asp Pro Asp 740 745 750 gca aag gtg gaa gaa gaa cca gaa gaa gaa ccc gaa gag aca acc gag 2304 Ala Lys Val Glu Glu Glu Pro Glu Glu Glu Pro Glu Glu Thr Thr Glu 755 760 765 gac acc aca gaa gac aca gag cag gac gat gaa gaa gaa atg gat gca 2352 Asp Thr Thr Glu Asp Thr Glu Gln Asp Asp Glu Glu Glu Met Asp Ala 770 775 780 gga aca gac gac gaa gaa caa gaa aca gta aag aaa tct aca gct gaa 2400 Gly Thr Asp Asp Glu Glu Gln Glu Thr Val Lys Lys Ser Thr Ala Glu 785 790 795 800 aaa gat gaa tta taa 2415 Lys Asp Glu Leu 6 804 PRT Canis familiaris 6 Met Arg Ala Leu Trp Val Leu Gly Leu Cys Cys Val Leu Leu Thr Phe 1 5 10 15 Gly Ser Val Arg Ala Asp Asp Glu Val Asp Val Asp Gly Thr Val Glu 20 25 30 Glu Asp Leu Gly Lys Ser Arg Glu Gly Ser Arg Thr Asp Asp Glu Val 35 40 45 Val Gln Arg Glu Glu Glu Ala Ile Gln Leu Asp Gly Leu Asn Ala Ser 50 55 60 Gln Ile Arg Glu Leu Arg Glu Lys Ser Glu Lys Phe Ala Phe Gln Ala 65 70 75 80 Glu Val Asn Arg Met Met Lys Leu Ile Ile Asn Ser Leu Tyr Lys Asn 85 90 95 Lys Glu Ile Phe Leu Arg Glu Leu Ile Ser Asn Ala Ser Asp Ala Leu 100 105 110 Asp Lys Ile Arg Leu Ile Ser Leu Thr Asp Glu Asn Ala Leu Ala Gly 115 120 125 Asn Glu Glu Leu Thr Val Lys Ile Lys Cys Asp Lys Glu Lys Asn Leu 130 135 140 Leu His Val Thr Asp Thr Gly Val Gly Met Thr Arg Glu Glu Leu Val 145 150 155 160 Lys Asn Leu Gly Thr Ile Ala Lys Ser Gly Thr Ser Glu Phe Leu Asn 165 170 175 Lys Met Thr Glu Ala Gln Glu Asp Gly Gln Ser Thr Ser Glu Leu Ile 180 185 190 Gly Gln Phe Gly Val Gly Phe Tyr Ser Ala Phe Leu Val Ala Asp Lys 195 200 205 Val Ile Val Thr Ser Lys His Asn Asn Asp Thr Gln His Ile Trp Glu 210 215 220 Ser Asp Ser Asn Glu Phe Ser Val Ile Ala Asp Pro Arg Gly Asn Thr 225 230 235 240 Leu Gly Arg Gly Thr Thr Ile Thr Leu Val Leu Lys Glu Glu Ala Ser 245 250 255 Asp Tyr Leu Glu Leu Asp Thr Ile Lys Asn Leu Val Lys Lys Tyr Ser 260 265 270 Gln Phe Ile Asn Phe Pro Ile Tyr Val Trp Ser Ser Lys Thr Glu Thr 275 280 285 Val Glu Glu Pro Met Glu Glu Glu Glu Ala Ala Lys Glu Glu Lys Glu 290 295 300 Asp Ser Asp Asp Glu Ala Ala Val Glu Glu Glu Glu Glu Glu Lys Lys 305 310 315 320 Pro Lys Thr Lys Lys Val Glu Lys Thr Val Trp Asp Trp Glu Leu Met 325 330 335 Asn Asp Ile Lys Pro Ile Trp Gln Arg Pro Ser Lys Glu Val Glu Asp 340 345 350 Asp Glu Tyr Lys Ala Phe Tyr Lys Ser Phe Ser Lys Glu Ser Asp Asp 355 360 365 Pro Met Ala Tyr Ile His Phe Thr Ala Glu Gly Glu Val Thr Phe Lys 370 375 380 Ser Ile Leu Phe Val Pro Thr Ser Ala Pro Arg Gly Leu Phe Asp Glu 385 390 395 400 Tyr Gly Ser Lys Lys Ser Asp Tyr Ile Lys Leu Tyr Val Arg Arg Val 405 410 415 Phe Ile Thr Asp Asp Phe His Asp Met Met Pro Lys Tyr Leu Asn Phe 420 425 430 Val Lys Gly Val Val Asp Ser Asp Asp Leu Pro Leu Asn Val Ser Arg 435 440 445 Glu Thr Leu Gln Gln His Lys Leu Leu Lys Val Ile Arg Lys Lys Leu 450 455 460 Val Arg Lys Thr Leu Asp Met Ile Lys Lys Ile Ala Asp Glu Lys Tyr 465 470 475 480 Asn Asp Thr Phe Trp Lys Glu Phe Gly Thr Asn Ile Lys Leu Gly Val 485 490 495 Ile Glu Asp His Ser Asn Arg Thr Arg Leu Ala Lys Leu Leu Arg Phe 500 505 510 Gln Ser Ser His His Pro Ser Asp Ile Thr Ser Leu Asp Gln Tyr Val 515 520 525 Glu Arg Met Lys Glu Lys Gln Asp Lys Ile Tyr Phe Met Ala Gly Ser 530 535 540 Ser Arg Lys Glu Ala Glu Ser Ser Pro Phe Val Glu Arg Leu Leu Lys 545 550 555 560 Lys Gly Tyr Glu Val Ile Tyr Leu Thr Glu Pro Val Asp Glu Tyr Cys 565 570 575 Ile Gln Ala Leu Pro Glu Phe Asp Gly Lys Arg Phe Gln Asn Val Ala 580 585 590 Lys Glu Gly Val Lys Phe Asp Glu Ser Glu Lys Thr Lys Glu Ser Arg 595 600 605 Glu Ala Ile Glu Lys Glu Phe Glu Pro Leu Leu Asn Trp Met Lys Asp 610 615 620 Lys Ala Leu Lys Asp Lys Ile Glu Lys Ala Val Val Ser Gln Arg Leu 625 630 635 640 Thr Glu Ser Pro Cys Ala Leu Val Ala Ser Gln Tyr Gly Trp Ser Gly 645 650 655 Asn Met Glu Arg Ile Met Lys Ala Gln Ala Tyr Gln Thr Gly Lys Asp 660 665 670 Ile Ser Thr Asn Tyr Tyr Ala Ser Gln Lys Lys Thr Phe Glu Ile Asn 675 680 685 Pro Arg His Pro Leu Ile Lys Asp Met Leu Arg Arg Val Lys Glu Asp 690 695 700 Glu Asp Asp Lys Thr Val Ser Asp Leu Ala Val Val Leu Phe Glu Thr 705 710 715 720 Ala Thr Leu Arg Ser Gly Tyr Leu Leu Pro Asp Thr Lys Ala Tyr Gly 725 730 735 Asp Arg Ile Glu Arg Met Leu Arg Leu Ser Leu Asn Ile Asp Pro Asp 740 745 750 Ala Lys Val Glu Glu Glu Pro Glu Glu Glu Pro Glu Glu Thr Thr Glu 755 760 765 Asp Thr Thr Glu Asp Thr Glu Gln Asp Asp Glu Glu Glu Met Asp Ala 770 775 780 Gly Thr Asp Asp Glu Glu Gln Glu Thr Val Lys Lys Ser Thr Ala Glu 785 790 795 800 Lys Asp Glu Leu 7 2259 DNA Homo sapiens CDS (61)..(2259) 7 cagttgcttc agcgtcccgg tgtggctgtg ccgttggtcc tgtgcggtca cttagccaag 60 atg cct gag gaa acc cag acc caa gac caa ccg atg gag gag gag gag 108 Met Pro Glu Glu Thr Gln Thr Gln Asp Gln Pro Met Glu Glu Glu Glu 1 5 10 15 gtt gag acg ttc gcc ttt cag gca gaa att gcc cag ttg atg tca ttg 156 Val Glu Thr Phe Ala Phe Gln Ala Glu Ile Ala Gln Leu Met Ser Leu 20 25 30 atc atc aat act ttc tac tcg aac aaa gag atc ttt ctg aga gag ctc 204 Ile Ile Asn Thr Phe Tyr Ser Asn Lys Glu Ile Phe Leu Arg Glu Leu 35 40 45 att tca aat tca tca gat gca ttg gac aaa atc cgg tat gaa agc ttg 252 Ile Ser Asn Ser Ser Asp Ala Leu Asp Lys Ile Arg Tyr Glu Ser Leu 50 55 60 aca gat ccc agt aaa tta gac tct ggg aaa gag ctg cat att aac ctt 300 Thr Asp Pro Ser Lys Leu Asp Ser Gly Lys Glu Leu His Ile Asn Leu 65 70 75 80 ata ccg aac aaa caa gat cga act ctc act att gtg gat act gga att 348 Ile Pro Asn Lys Gln Asp Arg Thr Leu Thr Ile Val Asp Thr Gly Ile 85 90 95 gga atg acc aag gct gac ttg atc aat aac ctt ggt act atc gcc aag 396 Gly Met Thr Lys Ala Asp Leu Ile Asn Asn Leu Gly Thr Ile Ala Lys 100 105 110 tct ggg acc aaa gcg ttc atg gaa gct ttg cag gct ggt gca gat atc 444 Ser Gly Thr Lys Ala Phe Met Glu Ala Leu Gln Ala Gly Ala Asp Ile 115 120 125 tct atg att ggc cag ttc ggt gtt ggt ttt tat tct gct tat ttg gtt 492 Ser Met Ile Gly Gln Phe Gly Val Gly Phe Tyr Ser Ala Tyr Leu Val 130 135 140 gct gag aaa gta act gtg atc acc aaa cat aac gat gat gag cag tac 540 Ala Glu Lys Val Thr Val Ile Thr Lys His Asn Asp Asp Glu Gln Tyr 145 150 155 160 gct tgg gag tcc tca gca ggg gga tca ttc aca gtg agg aca gac aca 588 Ala Trp Glu Ser Ser Ala Gly Gly Ser Phe Thr Val Arg Thr Asp Thr 165 170 175 ggt gaa cct atg ggt cgt gga aca aaa gtt atc cta cac ctg aaa gaa 636 Gly Glu Pro Met Gly Arg Gly Thr Lys Val Ile Leu His Leu Lys Glu 180 185 190 gac caa act gag tac ttg gag gaa cga aga ata aag gag att gtg aag 684 Asp Gln Thr Glu Tyr Leu Glu Glu Arg Arg Ile Lys Glu Ile Val Lys 195 200 205 aaa cat tct cag ttt att gga tat ccc att act ctt ttt gtg gag aag 732 Lys His Ser Gln Phe Ile Gly Tyr Pro Ile Thr Leu Phe Val Glu Lys 210 215 220 gaa cgt gat aaa gaa gta agc gat gat gag gct gaa gaa aag gaa gac 780 Glu Arg Asp Lys Glu Val Ser Asp Asp Glu Ala Glu Glu Lys Glu Asp 225 230 235 240 aaa gaa gaa gaa aaa gaa aaa gaa gag aaa gag tcg gaa gac aaa cct 828 Lys Glu Glu Glu Lys Glu Lys Glu Glu Lys Glu Ser Glu Asp Lys Pro 245 250 255 gaa att gaa gat gtt ggt tct gat gag gaa gaa gaa aag aag gat ggt 876 Glu Ile Glu Asp Val Gly Ser Asp Glu Glu Glu Glu Lys Lys Asp Gly 260 265 270 gac aag aag aag aag aag aag att aag gaa aag tac atc gat caa gaa 924 Asp Lys Lys Lys Lys Lys Lys Ile Lys Glu Lys Tyr Ile Asp Gln Glu 275 280 285 gag ctc aac aaa aca aag ccc atc tgg acc aga aat ccc gac gat att 972 Glu Leu Asn Lys Thr Lys Pro Ile Trp Thr Arg Asn Pro Asp Asp Ile 290 295 300 act aat gag gag tac gga gaa ttc tat aag agc ttg acc aat gac tgg 1020 Thr Asn Glu Glu Tyr Gly Glu Phe Tyr Lys Ser Leu Thr Asn Asp Trp 305 310 315 320 gaa gat cac ttg gca gtg aag cat ttt tca gtt gaa gga cag ttg gaa 1068 Glu Asp His Leu Ala Val Lys His Phe Ser Val Glu Gly Gln Leu Glu 325 330 335 ttc aga gcc ctt cta ttt gtc cca cga cgt gct cct ttt gat ctg ttt 1116 Phe Arg Ala Leu Leu Phe Val Pro Arg Arg Ala Pro Phe Asp Leu Phe 340 345 350 gaa aac aga aag aaa aag aac aac atc aaa ttg tat gta cgc aga gtt 1164 Glu Asn Arg Lys Lys Lys Asn Asn Ile Lys Leu Tyr Val Arg Arg Val 355 360 365 ttc atc atg gat aac tgt gag gag cta atc cct gaa tat ctg aac ttc 1212 Phe Ile Met Asp Asn Cys Glu Glu Leu Ile Pro Glu Tyr Leu Asn Phe 370 375 380 att aga ggg gtg gta gac tcg gag gat ctc cct cta aac ata tcc cgt 1260 Ile Arg Gly Val Val Asp Ser Glu Asp Leu Pro Leu Asn Ile Ser Arg 385 390 395 400 gag atg ttg caa caa agc aaa att ttg aaa gtt atc agg aag aat ttg 1308 Glu Met Leu Gln Gln Ser Lys Ile Leu Lys Val Ile Arg Lys Asn Leu 405 410 415 gtc aaa aaa tgc tta gaa ctc ttt act gaa ctg gcg gaa gat aaa gag 1356 Val Lys Lys Cys Leu Glu Leu Phe Thr Glu Leu Ala Glu Asp Lys Glu 420 425 430 aac tac aag aaa ttc tat gag cag ttc tct aaa aac ata aag ctt gga 1404 Asn Tyr Lys Lys Phe Tyr Glu Gln Phe Ser Lys Asn Ile Lys Leu Gly 435 440 445 ata cac gaa gac tct caa aat cgg aag aag ctt tca gag ctg tta agg 1452 Ile His Glu Asp Ser Gln Asn Arg Lys Lys Leu Ser Glu Leu Leu Arg 450 455 460 tac tac aca tct gcc tct ggt gat gag atg gtt tct ctc aag gac tac 1500 Tyr Tyr Thr Ser Ala Ser Gly Asp Glu Met Val Ser Leu Lys Asp Tyr 465 470 475 480 tgc acc aga atg aag gag aac cag aaa cat atc tat tat atc aca ggt 1548 Cys Thr Arg Met Lys Glu Asn Gln Lys His Ile Tyr Tyr Ile Thr Gly 485 490 495 gag acc aag gac cag gta gct aac tca gcc ttt gtg gaa cgt ctt cgg 1596 Glu Thr Lys Asp Gln Val Ala Asn Ser Ala Phe Val Glu Arg Leu Arg 500 505 510 aaa cat ggc tta gaa gtg atc tat atg att gag ccc att gat gag tac 1644 Lys His Gly Leu Glu Val Ile Tyr Met Ile Glu Pro Ile Asp Glu Tyr 515 520 525 tgt gtc caa cag ctg aag gaa ttt gag ggg aag act tta gtg tca gtc 1692 Cys Val Gln Gln Leu Lys Glu Phe Glu Gly Lys Thr Leu Val Ser Val 530 535 540 acc aaa gaa ggc ctg gaa ctt cca gag gat gaa gaa gag aaa aag aag 1740 Thr Lys Glu Gly Leu Glu Leu Pro Glu Asp Glu Glu Glu Lys Lys Lys 545 550 555 560 cag gaa gag aaa aaa aca aag ttt gag aac ctc tgc aaa atc atg aaa 1788 Gln Glu Glu Lys Lys Thr Lys Phe Glu Asn Leu Cys Lys Ile Met Lys 565 570 575 gac ata ttg gag aaa aaa gtt gaa aag gtg gtt gtg tca aac cga ttg 1836 Asp Ile Leu Glu Lys Lys Val Glu Lys Val Val Val Ser Asn Arg Leu 580 585 590 gtg aca tct cca tgc tgt att gtc aca agc aca tat ggc tgg aca gca 1884 Val Thr Ser Pro Cys Cys Ile Val Thr Ser Thr Tyr Gly Trp Thr Ala 595 600 605 aac atg gag aga atc atg aaa gct caa gcc cta aga gac aac tca aca 1932 Asn Met Glu Arg Ile Met Lys Ala Gln Ala Leu Arg Asp Asn Ser Thr 610 615 620 atg ggt tac atg gca gca aag aaa cac ctg gag ata aac cct gac cat 1980 Met Gly Tyr Met Ala Ala Lys Lys His Leu Glu Ile Asn Pro Asp His 625 630 635 640 tcc att att gag acc tta agg caa aag gca gag gct gat aag aac gac 2028 Ser Ile Ile Glu Thr Leu Arg Gln Lys Ala Glu Ala Asp Lys Asn Asp 645 650 655 aag tct gtg aag gat ctg gtc atc ttg ctt tat gaa act gcg ctc ctg 2076 Lys Ser Val Lys Asp Leu Val Ile Leu Leu Tyr Glu Thr Ala Leu Leu 660 665 670 tct tct ggc ttc agt ctg gaa gat ccc cag aca cat gct aac agg atc 2124 Ser Ser Gly Phe Ser Leu Glu Asp Pro Gln Thr His Ala Asn Arg Ile 675 680 685 tac agg atg atc aaa ctt ggt ctg ggt att gat gaa gat gac cct act 2172 Tyr Arg Met Ile Lys Leu Gly Leu Gly Ile Asp Glu Asp Asp Pro Thr 690 695 700 gct gat gat acc agt gct gct gta act gaa gaa atg cca ccc ctt gaa 2220 Ala Asp Asp Thr Ser Ala Ala Val Thr Glu Glu Met Pro Pro Leu Glu 705 710 715 720 gga gat gac gac aca tca cgc atg gaa gaa gta gac taa 2259 Gly Asp Asp Asp Thr Ser Arg Met Glu Glu Val Asp 725 730 8 732 PRT Homo sapiens 8 Met Pro Glu Glu Thr Gln Thr Gln Asp Gln Pro Met Glu Glu Glu Glu 1 5 10 15 Val Glu Thr Phe Ala Phe Gln Ala Glu Ile Ala Gln Leu Met Ser Leu 20 25 30 Ile Ile Asn Thr Phe Tyr Ser Asn Lys Glu Ile Phe Leu Arg Glu Leu 35 40 45 Ile Ser Asn Ser Ser Asp Ala Leu Asp Lys Ile Arg Tyr Glu Ser Leu 50 55 60 Thr Asp Pro Ser Lys Leu Asp Ser Gly Lys Glu Leu His Ile Asn Leu 65 70 75 80 Ile Pro Asn Lys Gln Asp Arg Thr Leu Thr Ile Val Asp Thr Gly Ile 85 90 95 Gly Met Thr Lys Ala Asp Leu Ile Asn Asn Leu Gly Thr Ile Ala Lys 100 105 110 Ser Gly Thr Lys Ala Phe Met Glu Ala Leu Gln Ala Gly Ala Asp Ile 115 120 125 Ser Met Ile Gly Gln Phe Gly Val Gly Phe Tyr Ser Ala Tyr Leu Val 130 135 140 Ala Glu Lys Val Thr Val Ile Thr Lys His Asn Asp Asp Glu Gln Tyr 145 150 155 160 Ala Trp Glu Ser Ser Ala Gly Gly Ser Phe Thr Val Arg Thr Asp Thr 165 170 175 Gly Glu Pro Met Gly Arg Gly Thr Lys Val Ile Leu His Leu Lys Glu 180 185 190 Asp Gln Thr Glu Tyr Leu Glu Glu Arg Arg Ile Lys Glu Ile Val Lys 195 200 205 Lys His Ser Gln Phe Ile Gly Tyr Pro Ile Thr Leu Phe Val Glu Lys 210 215 220 Glu Arg Asp Lys Glu Val Ser Asp Asp Glu Ala Glu Glu Lys Glu Asp 225 230 235 240 Lys Glu Glu Glu Lys Glu Lys Glu Glu Lys Glu Ser Glu Asp Lys Pro 245 250 255 Glu Ile Glu Asp Val Gly Ser Asp Glu Glu Glu Glu Lys Lys Asp Gly 260 265 270 Asp Lys Lys Lys Lys Lys Lys Ile Lys Glu Lys Tyr Ile Asp Gln Glu 275 280 285 Glu Leu Asn Lys Thr Lys Pro Ile Trp Thr Arg Asn Pro Asp Asp Ile 290 295 300 Thr Asn Glu Glu Tyr Gly Glu Phe Tyr Lys Ser Leu Thr Asn Asp Trp 305 310 315 320 Glu Asp His Leu Ala Val Lys His Phe Ser Val Glu Gly Gln Leu Glu 325 330 335 Phe Arg Ala Leu Leu Phe Val Pro Arg Arg Ala Pro Phe Asp Leu Phe 340 345 350 Glu Asn Arg Lys Lys Lys Asn Asn Ile Lys Leu Tyr Val Arg Arg Val 355 360 365 Phe Ile Met Asp Asn Cys Glu Glu Leu Ile Pro Glu Tyr Leu Asn Phe 370 375 380 Ile Arg Gly Val Val Asp Ser Glu Asp Leu Pro Leu Asn Ile Ser Arg 385 390 395 400 Glu Met Leu Gln Gln Ser Lys Ile Leu Lys Val Ile Arg Lys Asn Leu 405 410 415 Val Lys Lys Cys Leu Glu Leu Phe Thr Glu Leu Ala Glu Asp Lys Glu 420 425 430 Asn Tyr Lys Lys Phe Tyr Glu Gln Phe Ser Lys Asn Ile Lys Leu Gly 435 440 445 Ile His Glu Asp Ser Gln Asn Arg Lys Lys Leu Ser Glu Leu Leu Arg 450 455 460 Tyr Tyr Thr Ser Ala Ser Gly Asp Glu Met Val Ser Leu Lys Asp Tyr 465 470 475 480 Cys Thr Arg Met Lys Glu Asn Gln Lys His Ile Tyr Tyr Ile Thr Gly 485 490 495 Glu Thr Lys Asp Gln Val Ala Asn Ser Ala Phe Val Glu Arg Leu Arg 500 505 510 Lys His Gly Leu Glu Val Ile Tyr Met Ile Glu Pro Ile Asp Glu Tyr 515 520 525 Cys Val Gln Gln Leu Lys Glu Phe Glu Gly Lys Thr Leu Val Ser Val 530 535 540 Thr Lys Glu Gly Leu Glu Leu Pro Glu Asp Glu Glu Glu Lys Lys Lys 545 550 555 560 Gln Glu Glu Lys Lys Thr Lys Phe Glu Asn Leu Cys Lys Ile Met Lys 565 570 575 Asp Ile Leu Glu Lys Lys Val Glu Lys Val Val Val Ser Asn Arg Leu 580 585 590 Val Thr Ser Pro Cys Cys Ile Val Thr Ser Thr Tyr Gly Trp Thr Ala 595 600 605 Asn Met Glu Arg Ile Met Lys Ala Gln Ala Leu Arg Asp Asn Ser Thr 610 615 620 Met Gly Tyr Met Ala Ala Lys Lys His Leu Glu Ile Asn Pro Asp His 625 630 635 640 Ser Ile Ile Glu Thr Leu Arg Gln Lys Ala Glu Ala Asp Lys Asn Asp 645 650 655 Lys Ser Val Lys Asp Leu Val Ile Leu Leu Tyr Glu Thr Ala Leu Leu 660 665 670 Ser Ser Gly Phe Ser Leu Glu Asp Pro Gln Thr His Ala Asn Arg Ile 675 680 685 Tyr Arg Met Ile Lys Leu Gly Leu Gly Ile Asp Glu Asp Asp Pro Thr 690 695 700 Ala Asp Asp Thr Ser Ala Ala Val Thr Glu Glu Met Pro Pro Leu Glu 705 710 715 720 Gly Asp Asp Asp Thr Ser Arg Met Glu Glu Val Asp 725 730 9 1725 DNA Homo sapiens CDS (63)..(1592) 9 ggccggtagc tgttgctgtt gggggacccc ctcattcctg ccgctgccgt ccctgctgcc 60 tc atg gcg gcc atc gga gtt cac ctg ggc tgc acc tca gcc tgt gtg 107 Met Ala Ala Ile Gly Val His Leu Gly Cys Thr Ser Ala Cys Val 1 5 10 15 gcc gtc tat aag gat ggc cgg gct ggt gtg gtt gca aat gat gcc ggt 155 Ala Val Tyr Lys Asp Gly Arg Ala Gly Val Val Ala Asn Asp Ala Gly 20 25 30 gac cga gtt act cca gct gtt gtt gct tac tca gaa aat gaa gag att 203 Asp Arg Val Thr Pro Ala Val Val Ala Tyr Ser Glu Asn Glu Glu Ile 35 40 45 gtt gga ttg gca gca aaa caa agt aga ata aga aat att tca aat aca 251 Val Gly Leu Ala Ala Lys Gln Ser Arg Ile Arg Asn Ile Ser Asn Thr 50 55 60 gta atg aaa gta aag cag atc ctg ggc aga agc tcc agt gat cca caa 299 Val Met Lys Val Lys Gln Ile Leu Gly Arg Ser Ser Ser Asp Pro Gln 65 70 75 gct cag aaa tac atc gcg gaa agt aaa tgt tta gtc att gaa aaa aat 347 Ala Gln Lys Tyr Ile Ala Glu Ser Lys Cys Leu Val Ile Glu Lys Asn 80 85 90 95 ggg aaa tta cga tat gaa ata gat act gga gaa gaa aca aaa ttt gtt 395 Gly Lys Leu Arg Tyr Glu Ile Asp Thr Gly Glu Glu Thr Lys Phe Val 100 105 110 aac cca gaa gat gtt gcc aga ctg ata ttt agt aaa atg aaa gaa acg 443 Asn Pro Glu Asp Val Ala Arg Leu Ile Phe Ser Lys Met Lys Glu Thr 115 120 125 gca cat tct gta ttg ggc tca gat gca aat gat gta gtt att act gtc 491 Ala His Ser Val Leu Gly Ser Asp Ala Asn Asp Val Val Ile Thr Val 130 135 140 ccg ttt gat ttt gga gaa aag caa aaa aat gct ctt gga gaa gca gct 539 Pro Phe Asp Phe Gly Glu Lys Gln Lys Asn Ala Leu Gly Glu Ala Ala 145 150 155 aga gct gct gga ttt aat gtt ttg cga tta att cac gaa ccg tct gca 587 Arg Ala Ala Gly Phe Asn Val Leu Arg Leu Ile His Glu Pro Ser Ala 160 165 170 175 gct ctt ctt gct tat gga att gga caa gac tcc cct act gga aaa agc 635 Ala Leu Leu Ala Tyr Gly Ile Gly Gln Asp Ser Pro Thr Gly Lys Ser 180 185 190 aat att ttg gtg ttt aag ctt gga gga aca tcc tta tct ctc agc gtc 683 Asn Ile Leu Val Phe Lys Leu Gly Gly Thr Ser Leu Ser Leu Ser Val 195 200 205 atg gaa gtt aac agt gga ata tat cgg gtt ctt tca aca aac act gat 731 Met Glu Val Asn Ser Gly Ile Tyr Arg Val Leu Ser Thr Asn Thr Asp 210 215 220 gat aac atc ggt ggt gca cat ttc aca gaa acc tta gca cag tat cta 779 Asp Asn Ile Gly Gly Ala His Phe Thr Glu Thr Leu Ala Gln Tyr Leu 225 230 235 gct tct gag ttc caa aga tcc ttc aaa cat gat gtg aga gga aat gcg 827 Ala Ser Glu Phe Gln Arg Ser Phe Lys His Asp Val Arg Gly Asn Ala 240 245 250 255 cga gcc atg atg aaa tta acg aac agt gct gaa gta gcg aaa cat tct 875 Arg Ala Met Met Lys Leu Thr Asn Ser Ala Glu Val Ala Lys His Ser 260 265 270 ttg tca acc ttg gga agt gcc aac tgt ttt ctt gac tca tta tat gaa 923 Leu Ser Thr Leu Gly Ser Ala Asn Cys Phe Leu Asp Ser Leu Tyr Glu 275 280 285 ggt caa gat ttt gat tgc aat gtg tcc aga gca aga ttt gaa ctt ctt 971 Gly Gln Asp Phe Asp Cys Asn Val Ser Arg Ala Arg Phe Glu Leu Leu 290 295 300 tgt tct cca ctt ttt aat aag tgt ata gaa gca atc aga gga ctc tta 1019 Cys Ser Pro Leu Phe Asn Lys Cys Ile Glu Ala Ile Arg Gly Leu Leu 305 310 315 gat caa aat gga ttt aca gca gat gat atc aac aag gtt gtc ctt tgt 1067 Asp Gln Asn Gly Phe Thr Ala Asp Asp Ile Asn Lys Val Val Leu Cys 320 325 330 335 gga ggg tct tct cga atc cca aag cta cag caa ctg att aaa gat ctt 1115 Gly Gly Ser Ser Arg Ile Pro Lys Leu Gln Gln Leu Ile Lys Asp Leu 340 345 350 ttc cca gct gtt gag ctt ctc aat tct atc cct cct gat gaa gtg atc 1163 Phe Pro Ala Val Glu Leu Leu Asn Ser Ile Pro Pro Asp Glu Val Ile 355 360 365 cct att ggt gca gct ata gaa gca gga att ctt att ggg aaa gaa aac 1211 Pro Ile Gly Ala Ala Ile Glu Ala Gly Ile Leu Ile Gly Lys Glu Asn 370 375 380 ctg ttg gtg gaa gac tct ctt atg ata gag tgt tca gcc aga gat att 1259 Leu Leu Val Glu Asp Ser Leu Met Ile Glu Cys Ser Ala Arg Asp Ile 385 390 395 tta gtt aag ggt gtg gac gaa tca gga gcc agt aga ttc aca gtg ctg 1307 Leu Val Lys Gly Val Asp Glu Ser Gly Ala Ser Arg Phe Thr Val Leu 400 405 410 415 ttt cca tca ggg act cct ttg cca gct cga aga caa cac aca ttg caa 1355 Phe Pro Ser Gly Thr Pro Leu Pro Ala Arg Arg Gln His Thr Leu Gln 420 425 430 gcc cct gga agc ata tct tca gtg tgc ctt gaa ctc tat gag tct gat 1403 Ala Pro Gly Ser Ile Ser Ser Val Cys Leu Glu Leu Tyr Glu Ser Asp 435 440 445 ggg aag aac tct gcc aaa gag gaa acc aag ttt gca cag gtt gta ctc 1451 Gly Lys Asn Ser Ala Lys Glu Glu Thr Lys Phe Ala Gln Val Val Leu 450 455 460 cag gat tta gat aaa aaa gaa aat gga tta cgt gat ata tta gct gtt 1499 Gln Asp Leu Asp Lys Lys Glu Asn Gly Leu Arg Asp Ile Leu Ala Val 465 470 475 ctt act atg aaa agg gat gga tct tta cat gtg aca tgc aca gat caa 1547 Leu Thr Met Lys Arg Asp Gly Ser Leu His Val Thr Cys Thr Asp Gln 480 485 490 495 gaa act gga aaa tgt gaa gca atc tct att gag ata gca tct tag 1592 Glu Thr Gly Lys Cys Glu Ala Ile Ser Ile Glu Ile Ala Ser 500 505 tgttttagag aaatcaagaa tttttaaaaa caagaatatc aacatttggt tttgtgtata 1652 agtggtgttt gtattaaaat actttttcaa tgaactgtat aaactatgtt ttattaaact 1712 acaatatatc agt 1725 10 509 PRT Homo sapiens 10 Met Ala Ala Ile Gly Val His Leu Gly Cys Thr Ser Ala Cys Val Ala 1 5 10 15 Val Tyr Lys Asp Gly Arg Ala Gly Val Val Ala Asn Asp Ala Gly Asp 20 25 30 Arg Val Thr Pro Ala Val Val Ala Tyr Ser Glu Asn Glu Glu Ile Val 35 40 45 Gly Leu Ala Ala Lys Gln Ser Arg Ile Arg Asn Ile Ser Asn Thr Val 50 55 60 Met Lys Val Lys Gln Ile Leu Gly Arg Ser Ser Ser Asp Pro Gln Ala 65 70 75 80 Gln Lys Tyr Ile Ala Glu Ser Lys Cys Leu Val Ile Glu Lys Asn Gly 85 90 95 Lys Leu Arg Tyr Glu Ile Asp Thr Gly Glu Glu Thr Lys Phe Val Asn 100 105 110 Pro Glu Asp Val Ala Arg Leu Ile Phe Ser Lys Met Lys Glu Thr Ala 115 120 125 His Ser Val Leu Gly Ser Asp Ala Asn Asp Val Val Ile Thr Val Pro 130 135 140 Phe Asp Phe Gly Glu Lys Gln Lys Asn Ala Leu Gly Glu Ala Ala Arg 145 150 155 160 Ala Ala Gly Phe Asn Val Leu Arg Leu Ile His Glu Pro Ser Ala Ala 165 170 175 Leu Leu Ala Tyr Gly Ile Gly Gln Asp Ser Pro Thr Gly Lys Ser Asn 180 185 190 Ile Leu Val Phe Lys Leu Gly Gly Thr Ser Leu Ser Leu Ser Val Met 195 200 205 Glu Val Asn Ser Gly Ile Tyr Arg Val Leu Ser Thr Asn Thr Asp Asp 210 215 220 Asn Ile Gly Gly Ala His Phe Thr Glu Thr Leu Ala Gln Tyr Leu Ala 225 230 235 240 Ser Glu Phe Gln Arg Ser Phe Lys His Asp Val Arg Gly Asn Ala Arg 245 250 255 Ala Met Met Lys Leu Thr Asn Ser Ala Glu Val Ala Lys His Ser Leu 260 265 270 Ser Thr Leu Gly Ser Ala Asn Cys Phe Leu Asp Ser Leu Tyr Glu Gly 275 280 285 Gln Asp Phe Asp Cys Asn Val Ser Arg Ala Arg Phe Glu Leu Leu Cys 290 295 300 Ser Pro Leu Phe Asn Lys Cys Ile Glu Ala Ile Arg Gly Leu Leu Asp 305 310 315 320 Gln Asn Gly Phe Thr Ala Asp Asp Ile Asn Lys Val Val Leu Cys Gly 325 330 335 Gly Ser Ser Arg Ile Pro Lys Leu Gln Gln Leu Ile Lys Asp Leu Phe 340 345 350 Pro Ala Val Glu Leu Leu Asn Ser Ile Pro Pro Asp Glu Val Ile Pro 355 360 365 Ile Gly Ala Ala Ile Glu Ala Gly Ile Leu Ile Gly Lys Glu Asn Leu 370 375 380 Leu Val Glu Asp Ser Leu Met Ile Glu Cys Ser Ala Arg Asp Ile Leu 385 390 395 400 Val Lys Gly Val Asp Glu Ser Gly Ala Ser Arg Phe Thr Val Leu Phe 405 410 415 Pro Ser Gly Thr Pro Leu Pro Ala Arg Arg Gln His Thr Leu Gln Ala 420 425 430 Pro Gly Ser Ile Ser Ser Val Cys Leu Glu Leu Tyr Glu Ser Asp Gly 435 440 445 Lys Asn Ser Ala Lys Glu Glu Thr Lys Phe Ala Gln Val Val Leu Gln 450 455 460 Asp Leu Asp Lys Lys Glu Asn Gly Leu Arg Asp Ile Leu Ala Val Leu 465 470 475 480 Thr Met Lys Arg Asp Gly Ser Leu His Val Thr Cys Thr Asp Gln Glu 485 490 495 Thr Gly Lys Cys Glu Ala Ile Ser Ile Glu Ile Ala Ser 500 505 11 2202 DNA Homo sapiens CDS (25)..(1746) 11 cacgcttgcc gccgccccgc agaa atg ctt cgg tta ccc aca gtc ttt cgc 51 Met Leu Arg Leu Pro Thr Val Phe Arg 1 5 cag atg aga ccg gtg tcc agg gta ctg gct cct cat ctc act cgg gct 99 Gln Met Arg Pro Val Ser Arg Val Leu Ala Pro His Leu Thr Arg Ala 10 15 20 25 tat gcc aaa gat gta aaa ttt ggt gca gat gcc cga gcc tta atg ctt 147 Tyr Ala Lys Asp Val Lys Phe Gly Ala Asp Ala Arg Ala Leu Met Leu 30 35 40 caa ggt gta gac ctt tta gcc gat gct gtg gcc gtt aca atg ggg cca 195 Gln Gly Val Asp Leu Leu Ala Asp Ala Val Ala Val Thr Met Gly Pro 45 50 55 aag gga aga aca gtg att att gag cag ggt tgg gga agt ccc aaa gta 243 Lys Gly Arg Thr Val Ile Ile Glu Gln Gly Trp Gly Ser Pro Lys Val 60 65 70 aca aaa gat ggt gtg act gtt gca aag tca att gac tta aaa gat aaa 291 Thr Lys Asp Gly Val Thr Val Ala Lys Ser Ile Asp Leu Lys Asp Lys 75 80 85 tac aag aac att gga gct aaa ctt gtt caa gat gtt gcc aat aac aca 339 Tyr Lys Asn Ile Gly Ala Lys Leu Val Gln Asp Val Ala Asn Asn Thr 90 95 100 105 aat gaa gaa gct ggg gat ggc act acc act gct act gta ctg gca cgc 387 Asn Glu Glu Ala Gly Asp Gly Thr Thr Thr Ala Thr Val Leu Ala Arg 110 115 120 tct ata gcc aag gaa ggc ttc gag aag att agc aaa ggt gct aat cca 435 Ser Ile Ala Lys Glu Gly Phe Glu Lys Ile Ser Lys Gly Ala Asn Pro 125 130 135 gtg gaa atc agg aga ggt gtg atg tta gct gtt gat gct gta att gct 483 Val Glu Ile Arg Arg Gly Val Met Leu Ala Val Asp Ala Val Ile Ala 140 145 150 gaa ctt aaa aag cag tct aaa cct gtg acc acc cct gaa gaa att gca 531 Glu Leu Lys Lys Gln Ser Lys Pro Val Thr Thr Pro Glu Glu Ile Ala 155 160 165 cag gtt gct acg att tct gca aac gga gac aaa gaa att ggc aat atc 579 Gln Val Ala Thr Ile Ser Ala Asn Gly Asp Lys Glu Ile Gly Asn Ile 170 175 180 185 atc tct gat gca atg aaa aaa gtt gga aga aag ggt gtc atc aca gta 627 Ile Ser Asp Ala Met Lys Lys Val Gly Arg Lys Gly Val Ile Thr Val 190 195 200 aag gat gga aaa aca ctg aat gat gaa tta gaa att att gaa ggc atg 675 Lys Asp Gly Lys Thr Leu Asn Asp Glu Leu Glu Ile Ile Glu Gly Met 205 210 215 aag ttt gat cga ggc tat att tct cca tac ttt att aat aca tca aaa 723 Lys Phe Asp Arg Gly Tyr Ile Ser Pro Tyr Phe Ile Asn Thr Ser Lys 220 225 230 ggt cag aaa tgt gaa ttc cag gat gcc tat gtt ctg ttg agt gaa aag 771 Gly Gln Lys Cys Glu Phe Gln Asp Ala Tyr Val Leu Leu Ser Glu Lys 235 240 245 aaa att tct agt atc cag tcc att gta cct gct ctt gaa att gcc aat 819 Lys Ile Ser Ser Ile Gln Ser Ile Val Pro Ala Leu Glu Ile Ala Asn 250 255 260 265 gct cac cgt aag cct ttg gtc ata atc gct gaa gat gtt gat gga gaa 867 Ala His Arg Lys Pro Leu Val Ile Ile Ala Glu Asp Val Asp Gly Glu 270 275 280 gct cta agt aca ctc gtc ttg aat agg cta aag gtt ggt ctt cag gtt 915 Ala Leu Ser Thr Leu Val Leu Asn Arg Leu Lys Val Gly Leu Gln Val 285 290 295 gtg gca gtc aag gct cca ggg ttt ggt gac aat aga aag aac cag ctt 963 Val Ala Val Lys Ala Pro Gly Phe Gly Asp Asn Arg Lys Asn Gln Leu 300 305 310 aaa gat atg gct att gct act ggt ggt gca gtg ttt gga gaa gag gga 1011 Lys Asp Met Ala Ile Ala Thr Gly Gly Ala Val Phe Gly Glu Glu Gly 315 320 325 ttg acc ctg aat ctt gaa gac gtt cag cct cat gac tta gga aaa gtt 1059 Leu Thr Leu Asn Leu Glu Asp Val Gln Pro His Asp Leu Gly Lys Val 330 335 340 345 gga gag gtc att gtg acc aaa gac gat gcc atg ctc tta aaa gga aaa 1107 Gly Glu Val Ile Val Thr Lys Asp Asp Ala Met Leu Leu Lys Gly Lys 350 355 360 ggt gac aag gct caa att gaa aaa cgt att caa gaa atc att gag cag 1155 Gly Asp Lys Ala Gln Ile Glu Lys Arg Ile Gln Glu Ile Ile Glu Gln 365 370 375 tta gat gtc aca act agt gaa tat gaa aag gaa aaa ctg aat gaa cgg 1203 Leu Asp Val Thr Thr Ser Glu Tyr Glu Lys Glu Lys Leu Asn Glu Arg 380 385 390 ctt gca aaa ctt tca gat gga gtg gct gtg ctg aag gtt ggt ggg aca 1251 Leu Ala Lys Leu Ser Asp Gly Val Ala Val Leu Lys Val Gly Gly Thr 395 400 405 agt gat gtt gaa gtg aat gaa aag aaa gac aga gtt aca gat gcc ctt 1299 Ser Asp Val Glu Val Asn Glu Lys Lys Asp Arg Val Thr Asp Ala Leu 410 415 420 425 aat gct aca aga gct gct gtt gaa gaa ggc att gtt ttg gga ggg ggt 1347 Asn Ala Thr Arg Ala Ala Val Glu Glu Gly Ile Val Leu Gly Gly Gly 430 435 440 tgt gcc ctc ctt cga tgc att cca gcc ttg gac tca ttg act cca gct 1395 Cys Ala Leu Leu Arg Cys Ile Pro Ala Leu Asp Ser Leu Thr Pro Ala 445 450 455 aat gaa gat caa aaa att ggt ata gaa att att aaa aga aca ctc aaa 1443 Asn Glu Asp Gln Lys Ile Gly Ile Glu Ile Ile Lys Arg Thr Leu Lys 460 465 470 att cca gca atg acc att gct aag aat gca ggt gtt gaa gga tct ttg 1491 Ile Pro Ala Met Thr Ile Ala Lys Asn Ala Gly Val Glu Gly Ser Leu 475 480 485 ata gtt gag aaa att atg caa agt tcc tca gaa gtt ggt tat gat gct 1539 Ile Val Glu Lys Ile Met Gln Ser Ser Ser Glu Val Gly Tyr Asp Ala 490 495 500 505 atg gct gga gat ttt gtg aat atg gtg gaa aaa gga atc att gac cca 1587 Met Ala Gly Asp Phe Val Asn Met Val Glu Lys Gly Ile Ile Asp Pro 510 515 520 aca aag gtt gtg aga act gct tta ttg gat gct gct ggt gtg gcc tct 1635 Thr Lys Val Val Arg Thr Ala Leu Leu Asp Ala Ala Gly Val Ala Ser 525 530 535 ctg tta act aca gca gaa gtt gta gtc aca gaa att cct aaa gaa gag 1683 Leu Leu Thr Thr Ala Glu Val Val Val Thr Glu Ile Pro Lys Glu Glu 540 545 550 aag gac cct gga atg ggt gca atg ggt gga atg gga ggt ggt atg gga 1731 Lys Asp Pro Gly Met Gly Ala Met Gly Gly Met Gly Gly Gly Met Gly 555 560 565 ggt ggc atg ttc taa ctcctagact agtgctttac ctttattaat gaactgtgac 1786 Gly Gly Met Phe 570 aggaagccca aggcagtgtt cctcaccaat aacttcagag aagtcagttg gagaaaatga 1846 agaaaaaggc tggctgaaaa tcactataac catcagttac tggtttcagt tgacaaaata 1906 tataatggtt tactgctgtc attgtccatg cctacagata atttattttg tatttttgaa 1966 taaaaaacat ttgtacattc ctgatactgg gtacaagagc catgtaccag tgtactgctt 2026 tcaacttaaa tcactgaggc atttttacta ctattctgtt aaaatcagga ttttagtgct 2086 tgccaccacc agatgagaag ttaagcagcc tttctgtgga gagtgagaat aattgtgtac 2146 aaagtagaga agtatccaat tatgtgacaa cctttgtgta ataaaaattt gtttaa 2202 12 573 PRT Homo sapiens 12 Met Leu Arg Leu Pro Thr Val Phe Arg Gln Met Arg Pro Val Ser Arg 1 5 10 15 Val Leu Ala Pro His Leu Thr Arg Ala Tyr Ala Lys Asp Val Lys Phe 20 25 30 Gly Ala Asp Ala Arg Ala Leu Met Leu Gln Gly Val Asp Leu Leu Ala 35 40 45 Asp Ala Val Ala Val Thr Met Gly Pro Lys Gly Arg Thr Val Ile Ile 50 55 60 Glu Gln Gly Trp Gly Ser Pro Lys Val Thr Lys Asp Gly Val Thr Val 65 70 75 80 Ala Lys Ser Ile Asp Leu Lys Asp Lys Tyr Lys Asn Ile Gly Ala Lys 85 90 95 Leu Val Gln Asp Val Ala Asn Asn Thr Asn Glu Glu Ala Gly Asp Gly 100 105 110 Thr Thr Thr Ala Thr Val Leu Ala Arg Ser Ile Ala Lys Glu Gly Phe 115 120 125 Glu Lys Ile Ser Lys Gly Ala Asn Pro Val Glu Ile Arg Arg Gly Val 130 135 140 Met Leu Ala Val Asp Ala Val Ile Ala Glu Leu Lys Lys Gln Ser Lys 145 150 155 160 Pro Val Thr Thr Pro Glu Glu Ile Ala Gln Val Ala Thr Ile Ser Ala 165 170 175 Asn Gly Asp Lys Glu Ile Gly Asn Ile Ile Ser Asp Ala Met Lys Lys 180 185 190 Val Gly Arg Lys Gly Val Ile Thr Val Lys Asp Gly Lys Thr Leu Asn 195 200 205 Asp Glu Leu Glu Ile Ile Glu Gly Met Lys Phe Asp Arg Gly Tyr Ile 210 215 220 Ser Pro Tyr Phe Ile Asn Thr Ser Lys Gly Gln Lys Cys Glu Phe Gln 225 230 235 240 Asp Ala Tyr Val Leu Leu Ser Glu Lys Lys Ile Ser Ser Ile Gln Ser 245 250 255 Ile Val Pro Ala Leu Glu Ile Ala Asn Ala His Arg Lys Pro Leu Val 260 265 270 Ile Ile Ala Glu Asp Val Asp Gly Glu Ala Leu Ser Thr Leu Val Leu 275 280 285 Asn Arg Leu Lys Val Gly Leu Gln Val Val Ala Val Lys Ala Pro Gly 290 295 300 Phe Gly Asp Asn Arg Lys Asn Gln Leu Lys Asp Met Ala Ile Ala Thr 305 310 315 320 Gly Gly Ala Val Phe Gly Glu Glu Gly Leu Thr Leu Asn Leu Glu Asp 325 330 335 Val Gln Pro His Asp Leu Gly Lys Val Gly Glu Val Ile Val Thr Lys 340 345 350 Asp Asp Ala Met Leu Leu Lys Gly Lys Gly Asp Lys Ala Gln Ile Glu 355 360 365 Lys Arg Ile Gln Glu Ile Ile Glu Gln Leu Asp Val Thr Thr Ser Glu 370 375 380 Tyr Glu Lys Glu Lys Leu Asn Glu Arg Leu Ala Lys Leu Ser Asp Gly 385 390 395 400 Val Ala Val Leu Lys Val Gly Gly Thr Ser Asp Val Glu Val Asn Glu 405 410 415 Lys Lys Asp Arg Val Thr Asp Ala Leu Asn Ala Thr Arg Ala Ala Val 420 425 430 Glu Glu Gly Ile Val Leu Gly Gly Gly Cys Ala Leu Leu Arg Cys Ile 435 440 445 Pro Ala Leu Asp Ser Leu Thr Pro Ala Asn Glu Asp Gln Lys Ile Gly 450 455 460 Ile Glu Ile Ile Lys Arg Thr Leu Lys Ile Pro Ala Met Thr Ile Ala 465 470 475 480 Lys Asn Ala Gly Val Glu Gly Ser Leu Ile Val Glu Lys Ile Met Gln 485 490 495 Ser Ser Ser Glu Val Gly Tyr Asp Ala Met Ala Gly Asp Phe Val Asn 500 505 510 Met Val Glu Lys Gly Ile Ile Asp Pro Thr Lys Val Val Arg Thr Ala 515 520 525 Leu Leu Asp Ala Ala Gly Val Ala Ser Leu Leu Thr Thr Ala Glu Val 530 535 540 Val Val Thr Glu Ile Pro Lys Glu Glu Lys Asp Pro Gly Met Gly Ala 545 550 555 560 Met Gly Gly Met Gly Gly Gly Met Gly Gly Gly Met Phe 565 570 13 1940 DNA Homo sapiens CDS (63)..(1316) 13 gcagagccgc tgccggaggg tcgttttaaa gggcccgcgc gttgccgccc cctcggcccg 60 cc atg ctg cta tcc gtg ccg ctg ctg ctc ggc ctc ctc ggc ctg gcc 107 Met Leu Leu Ser Val Pro Leu Leu Leu Gly Leu Leu Gly Leu Ala 1 5 10 15 gtc gcc gag cct gcc gtc tac ttc aag gag cag ttt ctg gac gga gac 155 Val Ala Glu Pro Ala Val Tyr Phe Lys Glu Gln Phe Leu Asp Gly Asp 20 25 30 ggg tgg act tcc cgc tgg atc gaa tcc aaa cac aag tca gat ttt ggc 203 Gly Trp Thr Ser Arg Trp Ile Glu Ser Lys His Lys Ser Asp Phe Gly 35 40 45 aaa ttc gtt ctc agt tcc ggc aag ttc tac ggt gac gag gag aaa gat 251 Lys Phe Val Leu Ser Ser Gly Lys Phe Tyr Gly Asp Glu Glu Lys Asp 50 55 60 aaa ggt ttg cag aca agc cag gat gca cgc ttt tat gct ctg tcg gcc 299 Lys Gly Leu Gln Thr Ser Gln Asp Ala Arg Phe Tyr Ala Leu Ser Ala 65 70 75 agt ttc gag cct ttc agc aac aaa ggc cag acg ctg gtg gtg cag ttc 347 Ser Phe Glu Pro Phe Ser Asn Lys Gly Gln Thr Leu Val Val Gln Phe 80 85 90 95 acg gtg aaa cat gag cag aac atc gac tgt ggg ggc ggc tat gtg aag 395 Thr Val Lys His Glu Gln Asn Ile Asp Cys Gly Gly Gly Tyr Val Lys 100 105 110 ctg ttt cct aat agt ttg gac cag aca gac atg cac gga gac tca gaa 443 Leu Phe Pro Asn Ser Leu Asp Gln Thr Asp Met His Gly Asp Ser Glu 115 120 125 tac aac atc atg ttt ggt ccc gac atc tgt ggc cct ggc acc aag aag 491 Tyr Asn Ile Met Phe Gly Pro Asp Ile Cys Gly Pro Gly Thr Lys Lys 130 135 140 gtt cat gtc atc ttc aac tac aag ggc aag aac gtg ctg atc aac aag 539 Val His Val Ile Phe Asn Tyr Lys Gly Lys Asn Val Leu Ile Asn Lys 145 150 155 gac atc cgt tgc aag gat gat gag ttt aca cac ctg tac aca ctg att 587 Asp Ile Arg Cys Lys Asp Asp Glu Phe Thr His Leu Tyr Thr Leu Ile 160 165 170 175 gtg cgg cca gac aac acc tat gag gtg aag att gac aac agc cag gtg 635 Val Arg Pro Asp Asn Thr Tyr Glu Val Lys Ile Asp Asn Ser Gln Val 180 185 190 gag tcc ggc tcc ttg gaa gac gat tgg gac ttc ctg cca ccc aag aag 683 Glu Ser Gly Ser Leu Glu Asp Asp Trp Asp Phe Leu Pro Pro Lys Lys 195 200 205 ata aag gat cct gat gct tca aaa ccg gaa gac tgg gat gag cgg gcc 731 Ile Lys Asp Pro Asp Ala Ser Lys Pro Glu Asp Trp Asp Glu Arg Ala 210 215 220 aag atc gat gat ccc aca gac tcc aag cct gag gac tgg gac aag ccc 779 Lys Ile Asp Asp Pro Thr Asp Ser Lys Pro Glu Asp Trp Asp Lys Pro 225 230 235 gag cat atc cct gac cct gat gct aag aag ccc gag gac tgg gat gaa 827 Glu His Ile Pro Asp Pro Asp Ala Lys Lys Pro Glu Asp Trp Asp Glu 240 245 250 255 gag atg gac gga gag tgg gaa ccc cca gtg att cag aac cct gag tac 875 Glu Met Asp Gly Glu Trp Glu Pro Pro Val Ile Gln Asn Pro Glu Tyr 260 265 270 aag ggt gag tgg aag ccc cgg cag atc gac aac cca gat tac aag ggc 923 Lys Gly Glu Trp Lys Pro Arg Gln Ile Asp Asn Pro Asp Tyr Lys Gly 275 280 285 act tgg atc cac cca gaa att gac aac ccc gag tat tct ccc gat ccc 971 Thr Trp Ile His Pro Glu Ile Asp Asn Pro Glu Tyr Ser Pro Asp Pro 290 295 300 agt atc tat gcc tat gat aac ttt ggc gtg ctg ggc ctg gac ctc tgg 1019 Ser Ile Tyr Ala Tyr Asp Asn Phe Gly Val Leu Gly Leu Asp Leu Trp 305 310 315 cag gtc aag tct ggc acc atc ttt gac aac ttc ctc atc acc aac gat 1067 Gln Val Lys Ser Gly Thr Ile Phe Asp Asn Phe Leu Ile Thr Asn Asp 320 325 330 335 gag gca tac gct gag gag ttt ggc aac gag acg tgg ggc gta aca aag 1115 Glu Ala Tyr Ala Glu Glu Phe Gly Asn Glu Thr Trp Gly Val Thr Lys 340 345 350 gca gca gag aaa caa atg aag gac aaa cag gac gag gag cag agg ctt 1163 Ala Ala Glu Lys Gln Met Lys Asp Lys Gln Asp Glu Glu Gln Arg Leu 355 360 365 aag gag gag gaa gaa gac aag aaa cgc aaa gag gag gag gag gca gag 1211 Lys Glu Glu Glu Glu Asp Lys Lys Arg Lys Glu Glu Glu Glu Ala Glu 370 375 380 gac aag gag gat gat gag gac aaa gat gag gat gag gag gat gag gag 1259 Asp Lys Glu Asp Asp Glu Asp Lys Asp Glu Asp Glu Glu Asp Glu Glu 385 390 395 gac aag gag gaa gat gag gag gaa gat gtc ccc ggc cag gcc aag gac 1307 Asp Lys Glu Glu Asp Glu Glu Glu Asp Val Pro Gly Gln Ala Lys Asp 400 405 410 415 gag ctg tag agaggcctgc ctccagggct ggactgaggc ctgagcgctc 1356 Glu Leu ctgccgcaga gcttgccgcg ccaaataatg tctctgtgag actcgagaac tttcattttt 1416 ttccaggctg gttcggattt ggggtggatt ttggttttgt tcccctcctc cactctcccc 1476 caccccctcc ccgccctttt tttttttttt tttaaactgg tattttatct ttgattctcc 1536 ttcagccctc acccctggtt ctcatctttc ttgatcaaca tcttttcttg cctctgtccc 1596 cttctctcat ctcttagctc ccctccaacc tggggggcag tggtgtggag aagccacagg 1656 cctgagattt catctgctct ccttcctgga gcccagagga gggcagcaga agggggtggt 1716 gtctccaacc ccccagcact gaggaagaac ggggctcttc tcatttcacc cctccctttc 1776 tcccctgccc ccaggactgg gccacttctg ggtggggcag tgggtcccag attggctcac 1836 actgagaatg taagaactac aaacaaaatt tctattaaat taaattttgt gtctccaaaa 1896 aaaaaaaaaa aaaaaaaaaa aaaaaaccaa aaaaaaaaaa aaaa 1940 14 417 PRT Homo sapiens 14 Met Leu Leu Ser Val Pro Leu Leu Leu Gly Leu Leu Gly Leu Ala Val 1 5 10 15 Ala Glu Pro Ala Val Tyr Phe Lys Glu Gln Phe Leu Asp Gly Asp Gly 20 25 30 Trp Thr Ser Arg Trp Ile Glu Ser Lys His Lys Ser Asp Phe Gly Lys 35 40 45 Phe Val Leu Ser Ser Gly Lys Phe Tyr Gly Asp Glu Glu Lys Asp Lys 50 55 60 Gly Leu Gln Thr Ser Gln Asp Ala Arg Phe Tyr Ala Leu Ser Ala Ser 65 70 75 80 Phe Glu Pro Phe Ser Asn Lys Gly Gln Thr Leu Val Val Gln Phe Thr 85 90 95 Val Lys His Glu Gln Asn Ile Asp Cys Gly Gly Gly Tyr Val Lys Leu 100 105 110 Phe Pro Asn Ser Leu Asp Gln Thr Asp Met His Gly Asp Ser Glu Tyr 115 120 125 Asn Ile Met Phe Gly Pro Asp Ile Cys Gly Pro Gly Thr Lys Lys Val 130 135 140 His Val Ile Phe Asn Tyr Lys Gly Lys Asn Val Leu Ile Asn Lys Asp 145 150 155 160 Ile Arg Cys Lys Asp Asp Glu Phe Thr His Leu Tyr Thr Leu Ile Val 165 170 175 Arg Pro Asp Asn Thr Tyr Glu Val Lys Ile Asp Asn Ser Gln Val Glu 180 185 190 Ser Gly Ser Leu Glu Asp Asp Trp Asp Phe Leu Pro Pro Lys Lys Ile 195 200 205 Lys Asp Pro Asp Ala Ser Lys Pro Glu Asp Trp Asp Glu Arg Ala Lys 210 215 220 Ile Asp Asp Pro Thr Asp Ser Lys Pro Glu Asp Trp Asp Lys Pro Glu 225 230 235 240 His Ile Pro Asp Pro Asp Ala Lys Lys Pro Glu Asp Trp Asp Glu Glu 245 250 255 Met Asp Gly Glu Trp Glu Pro Pro Val Ile Gln Asn Pro Glu Tyr Lys 260 265 270 Gly Glu Trp Lys Pro Arg Gln Ile Asp Asn Pro Asp Tyr Lys Gly Thr 275 280 285 Trp Ile His Pro Glu Ile Asp Asn Pro Glu Tyr Ser Pro Asp Pro Ser 290 295 300 Ile Tyr Ala Tyr Asp Asn Phe Gly Val Leu Gly Leu Asp Leu Trp Gln 305 310 315 320 Val Lys Ser Gly Thr Ile Phe Asp Asn Phe Leu Ile Thr Asn Asp Glu 325 330 335 Ala Tyr Ala Glu Glu Phe Gly Asn Glu Thr Trp Gly Val Thr Lys Ala 340 345 350 Ala Glu Lys Gln Met Lys Asp Lys Gln Asp Glu Glu Gln Arg Leu Lys 355 360 365 Glu Glu Glu Glu Asp Lys Lys Arg Lys Glu Glu Glu Glu Ala Glu Asp 370 375 380 Lys Glu Asp Asp Glu Asp Lys Asp Glu Asp Glu Glu Asp Glu Glu Asp 385 390 395 400 Lys Glu Glu Asp Glu Glu Glu Asp Val Pro Gly Gln Ala Lys Asp Glu 405 410 415 Leu 15 207 DNA Canis familiaris CDS (1)..(207) 15 agt gag aaa aca aag gag agt cgt gaa gcg att gag aaa gaa ttt gag 48 Ser Glu Lys Thr Lys Glu Ser Arg Glu Ala Ile Glu Lys Glu Phe Glu 1 5 10 15 cct ctg ctc aac tgg atg aaa gat aaa gct ctc aag gac aag att gaa 96 Pro Leu Leu Asn Trp Met Lys Asp Lys Ala Leu Lys Asp Lys Ile Glu 20 25 30 aag gcc gtg gta tct cag cgt ctg aca gag tct ccg tgt gct ctg gtg 144 Lys Ala Val Val Ser Gln Arg Leu Thr Glu Ser Pro Cys Ala Leu Val 35 40 45 gcc agc cag tat gga tgg tct ggc aac atg gag aga atc atg aaa gct 192 Ala Ser Gln Tyr Gly Trp Ser Gly Asn Met Glu Arg Ile Met Lys Ala 50 55 60 caa gca tac cag acg 207 Gln Ala Tyr Gln Thr 65 16 69 PRT Canis familiaris 16 Ser Glu Lys Thr Lys Glu Ser Arg Glu Ala Ile Glu Lys Glu Phe Glu 1 5 10 15 Pro Leu Leu Asn Trp Met Lys Asp Lys Ala Leu Lys Asp Lys Ile Glu 20 25 30 Lys Ala Val Val Ser Gln Arg Leu Thr Glu Ser Pro Cys Ala Leu Val 35 40 45 Ala Ser Gln Tyr Gly Trp Ser Gly Asn Met Glu Arg Ile Met Lys Ala 50 55 60 Gln Ala Tyr Gln Thr 65 17 201 DNA Homo sapiens CDS (1)..(201) 17 gat gaa gaa gag aaa aag aag cag gaa gag aaa aaa aca aag ttt gag 48 Asp Glu Glu Glu Lys Lys Lys Gln Glu Glu Lys Lys Thr Lys Phe Glu 1 5 10 15 aac ctc tgc aaa atc atg aaa gac ata ttg gag aaa aaa gtt gaa aag 96 Asn Leu Cys Lys Ile Met Lys Asp Ile Leu Glu Lys Lys Val Glu Lys 20 25 30 gtg gtt gtg tca aac cga ttg gtg aca tct cca tgc tgt att gtc aca 144 Val Val Val Ser Asn Arg Leu Val Thr Ser Pro Cys Cys Ile Val Thr 35 40 45 agc aca tat ggc tgg aca gca aac atg gag aga atc atg aaa gct caa 192 Ser Thr Tyr Gly Trp Thr Ala Asn Met Glu Arg Ile Met Lys Ala Gln 50 55 60 gcc cta aga 201 Ala Leu Arg 65 18 67 PRT Homo sapiens 18 Asp Glu Glu Glu Lys Lys Lys Gln Glu Glu Lys Lys Thr Lys Phe Glu 1 5 10 15 Asn Leu Cys Lys Ile Met Lys Asp Ile Leu Glu Lys Lys Val Glu Lys 20 25 30 Val Val Val Ser Asn Arg Leu Val Thr Ser Pro Cys Cys Ile Val Thr 35 40 45 Ser Thr Tyr Gly Trp Thr Ala Asn Met Glu Arg Ile Met Lys Ala Gln 50 55 60 Ala Leu Arg 65 19 666 DNA Homo sapiens CDS (1)..(666) 19 gtg ctg ctc ctt gat gtc act ccc ctg tct ctg ggt att gaa act cta 48 Val Leu Leu Leu Asp Val Thr Pro Leu Ser Leu Gly Ile Glu Thr Leu 1 5 10 15 gga ggt gtc ttt acc aaa ctt att aat agg aat acc act att cca acc 96 Gly Gly Val Phe Thr Lys Leu Ile Asn Arg Asn Thr Thr Ile Pro Thr 20 25 30 aag aag agc cag gta ttc tct act gcc gct gat ggt caa acg caa gtg 144 Lys Lys Ser Gln Val Phe Ser Thr Ala Ala Asp Gly Gln Thr Gln Val 35 40 45 gaa att aaa gtg tgt cag ggt gaa aga gag atg gct gga gac aac aaa 192 Glu Ile Lys Val Cys Gln Gly Glu Arg Glu Met Ala Gly Asp Asn Lys 50 55 60 ctc ctt gga cag ttt act ttg att gga att cca cca gcc cct cgt gga 240 Leu Leu Gly Gln Phe Thr Leu Ile Gly Ile Pro Pro Ala Pro Arg Gly 65 70 75 80 gtt cct cag att gaa gtt aca ttt gac att gat gcc aat ggg ata gta 288 Val Pro Gln Ile Glu Val Thr Phe Asp Ile Asp Ala Asn Gly Ile Val 85 90 95 cat gtt tct gct aaa gat aaa ggc aca gga cgt gag cag cag att gta 336 His Val Ser Ala Lys Asp Lys Gly Thr Gly Arg Glu Gln Gln Ile Val 100 105 110 atc cag tct tct ggt gga tta agc aaa gat gat att gaa aat atg gtt 384 Ile Gln Ser Ser Gly Gly Leu Ser Lys Asp Asp Ile Glu Asn Met Val 115 120 125 aaa aat gca gag aaa tat gct gaa gaa gac cgg cga aag aag gaa cga 432 Lys Asn Ala Glu Lys Tyr Ala Glu Glu Asp Arg Arg Lys Lys Glu Arg 130 135 140 gtt gaa gca gtt aat atg gct gaa gga atc att cac gac aca gaa acc 480 Val Glu Ala Val Asn Met Ala Glu Gly Ile Ile His Asp Thr Glu Thr 145 150 155 160 aag atg gaa gaa ttc aag gac caa tta cct gct gat gag tgc aac aag 528 Lys Met Glu Glu Phe Lys Asp Gln Leu Pro Ala Asp Glu Cys Asn Lys 165 170 175 ctg aaa gaa gag att tcc aaa atg agg gag ctc ctg gct aga aaa gac 576 Leu Lys Glu Glu Ile Ser Lys Met Arg Glu Leu Leu Ala Arg Lys Asp 180 185 190 agc gaa aca gga gaa aat att aga cag gca gca tcc tct ctt cag cag 624 Ser Glu Thr Gly Glu Asn Ile Arg Gln Ala Ala Ser Ser Leu Gln Gln 195 200 205 gca tca ctg aag ctg ttc gaa atg gca tac aaa aag atg gca 666 Ala Ser Leu Lys Leu Phe Glu Met Ala Tyr Lys Lys Met Ala 210 215 220 20 222 PRT Homo sapiens 20 Val Leu Leu Leu Asp Val Thr Pro Leu Ser Leu Gly Ile Glu Thr Leu 1 5 10 15 Gly Gly Val Phe Thr Lys Leu Ile Asn Arg Asn Thr Thr Ile Pro Thr 20 25 30 Lys Lys Ser Gln Val Phe Ser Thr Ala Ala Asp Gly Gln Thr Gln Val 35 40 45 Glu Ile Lys Val Cys Gln Gly Glu Arg Glu Met Ala Gly Asp Asn Lys 50 55 60 Leu Leu Gly Gln Phe Thr Leu Ile Gly Ile Pro Pro Ala Pro Arg Gly 65 70 75 80 Val Pro Gln Ile Glu Val Thr Phe Asp Ile Asp Ala Asn Gly Ile Val 85 90 95 His Val Ser Ala Lys Asp Lys Gly Thr Gly Arg Glu Gln Gln Ile Val 100 105 110 Ile Gln Ser Ser Gly Gly Leu Ser Lys Asp Asp Ile Glu Asn Met Val 115 120 125 Lys Asn Ala Glu Lys Tyr Ala Glu Glu Asp Arg Arg Lys Lys Glu Arg 130 135 140 Val Glu Ala Val Asn Met Ala Glu Gly Ile Ile His Asp Thr Glu Thr 145 150 155 160 Lys Met Glu Glu Phe Lys Asp Gln Leu Pro Ala Asp Glu Cys Asn Lys 165 170 175 Leu Lys Glu Glu Ile Ser Lys Met Arg Glu Leu Leu Ala Arg Lys Asp 180 185 190 Ser Glu Thr Gly Glu Asn Ile Arg Gln Ala Ala Ser Ser Leu Gln Gln 195 200 205 Ala Ser Leu Lys Leu Phe Glu Met Ala Tyr Lys Lys Met Ala 210 215 220 21 2400 DNA Canis familiaris CDS (1)..(2400) 21 atg agg gcc ctg tgg gtg ctg ggc ctc tgc tgc gtc ctg ctg acc ttc 48 Met Arg Ala Leu Trp Val Leu Gly Leu Cys Cys Val Leu Leu Thr Phe 1 5 10 15 ggg tca gtc cga gct gac gat gaa gtc gat gtg gat ggt aca gtg gaa 96 Gly Ser Val Arg Ala Asp Asp Glu Val Asp Val Asp Gly Thr Val Glu 20 25 30 gag gat ctg ggt aaa agt aga gaa ggc tcc agg aca gat gat gaa gta 144 Glu Asp Leu Gly Lys Ser Arg Glu Gly Ser Arg Thr Asp Asp Glu Val 35 40 45 gtg cag aga gag gaa gaa gct att cag ttg gat gga tta aat gca tcc 192 Val Gln Arg Glu Glu Glu Ala Ile Gln Leu Asp Gly Leu Asn Ala Ser 50 55 60 caa ata aga gaa ctt aga gaa aaa tca gaa aaa ttt gcc ttc caa gct 240 Gln Ile Arg Glu Leu Arg Glu Lys Ser Glu Lys Phe Ala Phe Gln Ala 65 70 75 80 gaa gtg aat aga atg atg aaa ctt atc atc aat tca ttg tat aaa aat 288 Glu Val Asn Arg Met Met Lys Leu Ile Ile Asn Ser Leu Tyr Lys Asn 85 90 95 aaa gag att ttc ttg aga gaa ctg att tca aat gct tct gat gcc tta 336 Lys Glu Ile Phe Leu Arg Glu Leu Ile Ser Asn Ala Ser Asp Ala Leu 100 105 110 gat aag ata agg tta ata tca ctg act gat gaa aat gct ctt gct gga 384 Asp Lys Ile Arg Leu Ile Ser Leu Thr Asp Glu Asn Ala Leu Ala Gly 115 120 125 aat gag gaa cta act gtc aaa att aag tgt gac aag gag aag aat ctg 432 Asn Glu Glu Leu Thr Val Lys Ile Lys Cys Asp Lys Glu Lys Asn Leu 130 135 140 cta cat gtc aca gac act ggt gtg gga atg acc cgg gaa gag ttg gtt 480 Leu His Val Thr Asp Thr Gly Val Gly Met Thr Arg Glu Glu Leu Val 145 150 155 160 aaa aac ctt ggt acc ata gcc aaa tct gga aca agc gag ttt tta aac 528 Lys Asn Leu Gly Thr Ile Ala Lys Ser Gly Thr Ser Glu Phe Leu Asn 165 170 175 aaa atg act gag gca caa gag gat ggc cag tca act tct gaa ctg att 576 Lys Met Thr Glu Ala Gln Glu Asp Gly Gln Ser Thr Ser Glu Leu Ile 180 185 190 ggg cag ttt ggt gtc ggt ttc tat tct gcc ttc ctt gtc gca gat aag 624 Gly Gln Phe Gly Val Gly Phe Tyr Ser Ala Phe Leu Val Ala Asp Lys 195 200 205 gtt att gtc aca tca aaa cac aac aac gat acc cag cat atc tgg gaa 672 Val Ile Val Thr Ser Lys His Asn Asn Asp Thr Gln His Ile Trp Glu 210 215 220 tct gac tcc aat gag ttc tct gta att gct gac cca cga ggg aac acc 720 Ser Asp Ser Asn Glu Phe Ser Val Ile Ala Asp Pro Arg Gly Asn Thr 225 230 235 240 ctc gga cgg gga aca aca att aca ctt gtt tta aaa gaa gaa gca tct 768 Leu Gly Arg Gly Thr Thr Ile Thr Leu Val Leu Lys Glu Glu Ala Ser 245 250 255 gat tac ctt gaa ttg gac aca att aaa aat ctc gtc aag aaa tat tca 816 Asp Tyr Leu Glu Leu Asp Thr Ile Lys Asn Leu Val Lys Lys Tyr Ser 260 265 270 cag ttt ata aac ttc cct att tat gtg tgg agc agc aag act gaa act 864 Gln Phe Ile Asn Phe Pro Ile Tyr Val Trp Ser Ser Lys Thr Glu Thr 275 280 285 gtt gag gag ccc atg gaa gaa gaa gaa gca gca aaa gaa gaa aaa gaa 912 Val Glu Glu Pro Met Glu Glu Glu Glu Ala Ala Lys Glu Glu Lys Glu 290 295 300 gat tct gat gat gaa gct gca gtg gaa gaa gaa gag gag gaa aaa aaa 960 Asp Ser Asp Asp Glu Ala Ala Val Glu Glu Glu Glu Glu Glu Lys Lys 305 310 315 320 cca aaa acc aaa aaa gtt gag aaa act gtc tgg gat tgg gag ctt atg 1008 Pro Lys Thr Lys Lys Val Glu Lys Thr Val Trp Asp Trp Glu Leu Met 325 330 335 aat gac atc aaa cca ata tgg cag aga cca tca aaa gaa gta gaa gat 1056 Asn Asp Ile Lys Pro Ile Trp Gln Arg Pro Ser Lys Glu Val Glu Asp 340 345 350 gac gaa tac aaa gct ttc tac aaa tca ttt tca aag gaa agt gat gac 1104 Asp Glu Tyr Lys Ala Phe Tyr Lys Ser Phe Ser Lys Glu Ser Asp Asp 355 360 365 ccc atg gct tat atc cac ttt act gct gaa ggg gaa gtc acc ttc aaa 1152 Pro Met Ala Tyr Ile His Phe Thr Ala Glu Gly Glu Val Thr Phe Lys 370 375 380 tca att tta ttt gta cct aca tct gct cca cgt ggt ctg ttt gat gaa 1200 Ser Ile Leu Phe Val Pro Thr Ser Ala Pro Arg Gly Leu Phe Asp Glu 385 390 395 400 tat gga tct aag aag agt gat tac att aag ctt tac gtg cgc aga gta 1248 Tyr Gly Ser Lys Lys Ser Asp Tyr Ile Lys Leu Tyr Val Arg Arg Val 405 410 415 ttc atc aca gat gac ttc cat gat atg atg ccc aag tac ctt aac ttt 1296 Phe Ile Thr Asp Asp Phe His Asp Met Met Pro Lys Tyr Leu Asn Phe 420 425 430 gtc aag ggt gtt gtg gac tca gat gat ctc ccc ttg aat gtt tcc cgg 1344 Val Lys Gly Val Val Asp Ser Asp Asp Leu Pro Leu Asn Val Ser Arg 435 440 445 gaa act ctt cag caa cat aaa ctg ctt aag gtg att aga aag aag ctt 1392 Glu Thr Leu Gln Gln His Lys Leu Leu Lys Val Ile Arg Lys Lys Leu 450 455 460 gtc cgt aaa act ctg gac atg atc aag aag att gct gat gag aag tac 1440 Val Arg Lys Thr Leu Asp Met Ile Lys Lys Ile Ala Asp Glu Lys Tyr 465 470 475 480 aat gat act ttt tgg aaa gaa ttt ggt acc aac atc aag ctt ggt gta 1488 Asn Asp Thr Phe Trp Lys Glu Phe Gly Thr Asn Ile Lys Leu Gly Val 485 490 495 att gaa gac cac tca aat cga aca cgt ctt gct aaa ctt ctt aga ttc 1536 Ile Glu Asp His Ser Asn Arg Thr Arg Leu Ala Lys Leu Leu Arg Phe 500 505 510 cag tca tct cat cat cca agt gac ata acc agt cta gac caa tac gtg 1584 Gln Ser Ser His His Pro Ser Asp Ile Thr Ser Leu Asp Gln Tyr Val 515 520 525 gaa aga atg aag gag aag caa gac aaa atc tac ttc atg gct ggg tct 1632 Glu Arg Met Lys Glu Lys Gln Asp Lys Ile Tyr Phe Met Ala Gly Ser 530 535 540 agc aga aaa gag gct gaa tct tct cca ttt gtt gag cga ctt ctg aaa 1680 Ser Arg Lys Glu Ala Glu Ser Ser Pro Phe Val Glu Arg Leu Leu Lys 545 550 555 560 aag ggc tat gaa gtg att tat ctc acc gaa cct gtg gac gaa tac tgc 1728 Lys Gly Tyr Glu Val Ile Tyr Leu Thr Glu Pro Val Asp Glu Tyr Cys 565 570 575 att cag gct ctt cct gag ttt gat ggg aaa agg ttc cag aat gtt gcc 1776 Ile Gln Ala Leu Pro Glu Phe Asp Gly Lys Arg Phe Gln Asn Val Ala 580 585 590 aaa gaa ggt gtg aaa ttt gat gaa agt gag aaa aca aag gag agt cgt 1824 Lys Glu Gly Val Lys Phe Asp Glu Ser Glu Lys Thr Lys Glu Ser Arg 595 600 605 gaa gcg att gag aaa gaa ttt gag cct ctg ctc aac tgg atg aaa gat 1872 Glu Ala Ile Glu Lys Glu Phe Glu Pro Leu Leu Asn Trp Met Lys Asp 610 615 620 aaa gct ctc aag gac aag att gaa aag gcc gtg gta tct cag cgt ctg 1920 Lys Ala Leu Lys Asp Lys Ile Glu Lys Ala Val Val Ser Gln Arg Leu 625 630 635 640 aca gag tct ccg tgt gct ctg gtg gcc agc cag tat gga tgg tct ggc 1968 Thr Glu Ser Pro Cys Ala Leu Val Ala Ser Gln Tyr Gly Trp Ser Gly 645 650 655 aac atg gag aga atc atg aaa gct caa gca tac cag acg ggc aaa gac 2016 Asn Met Glu Arg Ile Met Lys Ala Gln Ala Tyr Gln Thr Gly Lys Asp 660 665 670 atc tct aca aat tac tat gcc agc caa aag aaa aca ttt gaa att aat 2064 Ile Ser Thr Asn Tyr Tyr Ala Ser Gln Lys Lys Thr Phe Glu Ile Asn 675 680 685 ccc aga cat ccc ctg atc aaa gac atg ctg cga cga gtt aag gaa gat 2112 Pro Arg His Pro Leu Ile Lys Asp Met Leu Arg Arg Val Lys Glu Asp 690 695 700 gaa gat gac aaa acg gta tcg gat ctt gct gtg gtt ttg ttt gag aca 2160 Glu Asp Asp Lys Thr Val Ser Asp Leu Ala Val Val Leu Phe Glu Thr 705 710 715 720 gca acg ctg aga tca ggc tat ctg cta cca gac act aaa gca tat gga 2208 Ala Thr Leu Arg Ser Gly Tyr Leu Leu Pro Asp Thr Lys Ala Tyr Gly 725 730 735 gat cga ata gaa aga atg ctt cgc ctc agt tta aac att gac cct gat 2256 Asp Arg Ile Glu Arg Met Leu Arg Leu Ser Leu Asn Ile Asp Pro Asp 740 745 750 gca aag gtg gaa gaa gaa cca gaa gaa gaa ccc gaa gag aca acc gag 2304 Ala Lys Val Glu Glu Glu Pro Glu Glu Glu Pro Glu Glu Thr Thr Glu 755 760 765 gac acc aca gaa gac aca gag cag gac gat gaa gaa gaa atg gat gca 2352 Asp Thr Thr Glu Asp Thr Glu Gln Asp Asp Glu Glu Glu Met Asp Ala 770 775 780 gga aca gac gac gaa gaa caa gaa aca gta aag aaa tct aca gct gaa 2400 Gly Thr Asp Asp Glu Glu Gln Glu Thr Val Lys Lys Ser Thr Ala Glu 785 790 795 800 22 800 PRT Canis familiaris 22 Met Arg Ala Leu Trp Val Leu Gly Leu Cys Cys Val Leu Leu Thr Phe 1 5 10 15 Gly Ser Val Arg Ala Asp Asp Glu Val Asp Val Asp Gly Thr Val Glu 20 25 30 Glu Asp Leu Gly Lys Ser Arg Glu Gly Ser Arg Thr Asp Asp Glu Val 35 40 45 Val Gln Arg Glu Glu Glu Ala Ile Gln Leu Asp Gly Leu Asn Ala Ser 50 55 60 Gln Ile Arg Glu Leu Arg Glu Lys Ser Glu Lys Phe Ala Phe Gln Ala 65 70 75 80 Glu Val Asn Arg Met Met Lys Leu Ile Ile Asn Ser Leu Tyr Lys Asn 85 90 95 Lys Glu Ile Phe Leu Arg Glu Leu Ile Ser Asn Ala Ser Asp Ala Leu 100 105 110 Asp Lys Ile Arg Leu Ile Ser Leu Thr Asp Glu Asn Ala Leu Ala Gly 115 120 125 Asn Glu Glu Leu Thr Val Lys Ile Lys Cys Asp Lys Glu Lys Asn Leu 130 135 140 Leu His Val Thr Asp Thr Gly Val Gly Met Thr Arg Glu Glu Leu Val 145 150 155 160 Lys Asn Leu Gly Thr Ile Ala Lys Ser Gly Thr Ser Glu Phe Leu Asn 165 170 175 Lys Met Thr Glu Ala Gln Glu Asp Gly Gln Ser Thr Ser Glu Leu Ile 180 185 190 Gly Gln Phe Gly Val Gly Phe Tyr Ser Ala Phe Leu Val Ala Asp Lys 195 200 205 Val Ile Val Thr Ser Lys His Asn Asn Asp Thr Gln His Ile Trp Glu 210 215 220 Ser Asp Ser Asn Glu Phe Ser Val Ile Ala Asp Pro Arg Gly Asn Thr 225 230 235 240 Leu Gly Arg Gly Thr Thr Ile Thr Leu Val Leu Lys Glu Glu Ala Ser 245 250 255 Asp Tyr Leu Glu Leu Asp Thr Ile Lys Asn Leu Val Lys Lys Tyr Ser 260 265 270 Gln Phe Ile Asn Phe Pro Ile Tyr Val Trp Ser Ser Lys Thr Glu Thr 275 280 285 Val Glu Glu Pro Met Glu Glu Glu Glu Ala Ala Lys Glu Glu Lys Glu 290 295 300 Asp Ser Asp Asp Glu Ala Ala Val Glu Glu Glu Glu Glu Glu Lys Lys 305 310 315 320 Pro Lys Thr Lys Lys Val Glu Lys Thr Val Trp Asp Trp Glu Leu Met 325 330 335 Asn Asp Ile Lys Pro Ile Trp Gln Arg Pro Ser Lys Glu Val Glu Asp 340 345 350 Asp Glu Tyr Lys Ala Phe Tyr Lys Ser Phe Ser Lys Glu Ser Asp Asp 355 360 365 Pro Met Ala Tyr Ile His Phe Thr Ala Glu Gly Glu Val Thr Phe Lys 370 375 380 Ser Ile Leu Phe Val Pro Thr Ser Ala Pro Arg Gly Leu Phe Asp Glu 385 390 395 400 Tyr Gly Ser Lys Lys Ser Asp Tyr Ile Lys Leu Tyr Val Arg Arg Val 405 410 415 Phe Ile Thr Asp Asp Phe His Asp Met Met Pro Lys Tyr Leu Asn Phe 420 425 430 Val Lys Gly Val Val Asp Ser Asp Asp Leu Pro Leu Asn Val Ser Arg 435 440 445 Glu Thr Leu Gln Gln His Lys Leu Leu Lys Val Ile Arg Lys Lys Leu 450 455 460 Val Arg Lys Thr Leu Asp Met Ile Lys Lys Ile Ala Asp Glu Lys Tyr 465 470 475 480 Asn Asp Thr Phe Trp Lys Glu Phe Gly Thr Asn Ile Lys Leu Gly Val 485 490 495 Ile Glu Asp His Ser Asn Arg Thr Arg Leu Ala Lys Leu Leu Arg Phe 500 505 510 Gln Ser Ser His His Pro Ser Asp Ile Thr Ser Leu Asp Gln Tyr Val 515 520 525 Glu Arg Met Lys Glu Lys Gln Asp Lys Ile Tyr Phe Met Ala Gly Ser 530 535 540 Ser Arg Lys Glu Ala Glu Ser Ser Pro Phe Val Glu Arg Leu Leu Lys 545 550 555 560 Lys Gly Tyr Glu Val Ile Tyr Leu Thr Glu Pro Val Asp Glu Tyr Cys 565 570 575 Ile Gln Ala Leu Pro Glu Phe Asp Gly Lys Arg Phe Gln Asn Val Ala 580 585 590 Lys Glu Gly Val Lys Phe Asp Glu Ser Glu Lys Thr Lys Glu Ser Arg 595 600 605 Glu Ala Ile Glu Lys Glu Phe Glu Pro Leu Leu Asn Trp Met Lys Asp 610 615 620 Lys Ala Leu Lys Asp Lys Ile Glu Lys Ala Val Val Ser Gln Arg Leu 625 630 635 640 Thr Glu Ser Pro Cys Ala Leu Val Ala Ser Gln Tyr Gly Trp Ser Gly 645 650 655 Asn Met Glu Arg Ile Met Lys Ala Gln Ala Tyr Gln Thr Gly Lys Asp 660 665 670 Ile Ser Thr Asn Tyr Tyr Ala Ser Gln Lys Lys Thr Phe Glu Ile Asn 675 680 685 Pro Arg His Pro Leu Ile Lys Asp Met Leu Arg Arg Val Lys Glu Asp 690 695 700 Glu Asp Asp Lys Thr Val Ser Asp Leu Ala Val Val Leu Phe Glu Thr 705 710 715 720 Ala Thr Leu Arg Ser Gly Tyr Leu Leu Pro Asp Thr Lys Ala Tyr Gly 725 730 735 Asp Arg Ile Glu Arg Met Leu Arg Leu Ser Leu Asn Ile Asp Pro Asp 740 745 750 Ala Lys Val Glu Glu Glu Pro Glu Glu Glu Pro Glu Glu Thr Thr Glu 755 760 765 Asp Thr Thr Glu Asp Thr Glu Gln Asp Asp Glu Glu Glu Met Asp Ala 770 775 780 Gly Thr Asp Asp Glu Glu Gln Glu Thr Val Lys Lys Ser Thr Ala Glu 785 790 795 800 23 4 PRT synthetic construct 23 Lys Asp Glu Leu 1 24 26 DNA Canis familiaris 24 gcgtcgacag ggccctgtgg gtgctg 26 25 31 DNA Canis familiaris 25 gcgcggccgc tcattcagct gtagatttct t 31 26 26 DNA Canis familiaris 26 gcgtcgacag ggccctgtgg gtgctg 26 27 34 DNA Canis familiaris 27 gcgcggccgc tcaattcata agctcccaat ccca 34 

What is claimed is:
 1. An isolated polypeptide comprising a recombinant stress response polypeptide free of an antigen binding domain, wherein the recombinant stress response polypeptide comprises an extracellularly transported polypeptide when expressed in a host cell.
 2. The polypeptide of claim 1, wherein the recombinant stress response polypeptide comprises a recombinant polypeptide selected from the group consisting of a Hsp60 polypeptide, a Hsp70 polypeptide, a Hsp90 polypeptide, and a calreticulin polypeptide.
 3. The polypeptide of claim 2, wherein the Hsp90 polypeptide comprises a GRP94 polypeptide or a HSP90 polypeptide.
 4. The polypeptide of claim 3, wherein the GRP94 polypeptide comprises: (a) a polypeptide comprising an amino acid sequence of SEQ ID NO:2; (b) a polypeptide substantially identical to SEQ ID NO:2; (c) a polypeptide encoded by a nucleic acid of SEQ ID NO:1; or (d) a polypeptide peptide encoded by a nucleic acid substantially identical to SEQ ID NO:1.
 5. The polypeptide of claim 3, wherein the GRP94 polypeptide comprises a polypeptide encoded by a nucleic acid molecule comprising: (a) an isolated nucleic acid molecule that hybridizes to a nucleic acid comprising a nucleotide sequence of SEQ ID NO:1 under wash stringency conditions represented by a wash solution having less than about 200 mM salt concentration and a wash temperature of greater than about 45° C., and that encodes a GRP94 polypeptide free of an antigen binding domain; and (b) an isolated nucleic acid differing by at least one functionally equivalent codon from the isolated nucleic acid molecule of (a) above in nucleic acid sequence due to the degeneracy of the genetic code, and that encodes a GRP94 polypeptide encoded by the isolated nucleic acid of (a) above.
 6. A composition for eliciting an immune response in a subject, the composition comprising: (a) an immunostimulatory amount of a recombinant stress response polypeptide free of an antigen binding domain; and (b) a pharmaceutically acceptable carrier.
 7. The composition of claim 6, wherein the immunostimulatory amount comprises an amount sufficient to elicit an innate immune response.
 8. The composition of claim 7, wherein the innate immune response comprises dendritic cell maturation.
 9. The composition of claim 6, wherein the immunostimulatory amount comprises an amount sufficient to elicit an adaptive immune response.
 10. The method of claim 9, wherein the adaptive immune response comprises an anti-tumor response.
 11. The composition of claim 6, wherein the recombinant stress response polypeptide comprises a recombinant polypeptide selected from the group consisting of a a Hsp60, a Hsp70 polypeptide, a Hsp90 polypeptide, and a calreticulin polypeptide.
 12. The composition of claim 11, wherein the Hsp90 polypeptide comprises a GRP94 polypeptide or a HSP90 polypeptide.
 13. The composition of claim 12, wherein the GRP94 polypeptide comprises: (a) a polypeptide comprising an amino acid sequence of SEQ ID NO:2; (b) a polypeptide substantially identical to SEQ ID NO:2; (c) a polypeptide encoded by a nucleic acid of SEQ ID NO:1; or (d) a polypeptide peptide encoded by a nucleic acid substantially identical to SEQ ID NO:1.
 14. The composition of claim 12, wherein the GRP94 polypeptide comprises a polypeptide encoded by a nucleic acid molecule comprising: (a) an isolated nucleic acid molecule that hybridizes to a nucleic acid comprising a nucleotide sequence of SEQ ID NO:1 under wash stringency conditions represented by a wash solution having less than about 200 mM salt concentration and a wash temperature of greater than about 45° C., and that encodes a GRP94 polypeptide free of an antigenic peptide binding domain; and (b) an isolated nucleic acid differing by at least one functionally equivalent codon from the isolated nucleic acid molecule of (a) above in nucleic acid sequence due to the degeneracy of the genetic code, and that encodes a GRP94 polypeptide encoded by the isolated nucleic acid of (a) above.
 15. A method for eliciting an immune response in a subject, the method comprising administering to a subject a recombinant stress response polypeptide free of an antigenic peptide binding site, whereby an immune response in the subject is elicited.
 16. The method of claim 15, wherein the subject comprises a mammal.
 17. The method of claim 16, wherein the mammal comprises a human.
 18. The method of claim 15, wherein the recombinant stress response polypeptide comprises an extracellularly transported polypeptide when expressed in a host cell.
 19. The method of claim 15, wherein the recombinant stress response polypeptide comprises a recombinant polypeptide selected from the group consisting of a Hsp60 polypeptide, a Hsp70 polypeptide, a Hsp90 polypeptide, and a calreticulin polypeptide.
 20. The method of claim 19, wherein the Hsp90 polypeptide comprises a GRP94 polypeptide or a HSP90 polypeptide.
 21. The method of claim 15, wherein the GRP94 polypeptide comprises: (a) a polypeptide comprising an amino acid sequence of SEQ ID NO:2; (b) a polypeptide substantially identical to SEQ ID NO:2; (c) a polypeptide encoded by a nucleic acid of SEQ ID NO:1; or (d) a polypeptide encoded by a nucleic acid substantially identical to SEQ ID NO:1.
 22. The method of claim 15, wherein the GRP94 polypeptide comprises a polypeptide encoded by a nucleic acid molecule comprising: (a) an isolated nucleic acid molecule that hybridizes to a nucleic acid comprising a nucleotide sequence of SEQ ID NO:1 under wash stringency conditions represented by a wash solution having less than about 200 mM salt concentration and a wash temperature of greater than about 45° C., and that encodes a GRP94 polypeptide free of an antigenic peptide binding domain; and (b) an isolated nucleic acid differing by at least one functionally equivalent codon from the isolated nucleic acid molecule of (a) above in nucleic acid sequence due to the degeneracy of the genetic code, and that encodes a GRP94 polypeptide encoded by the isolated nucleic acid of (a) above.
 23. The method of claim 15, wherein the immune response comprises an innate immune response.
 24. The method of claim 23, wherein the innate immune response comprises dendritic cell maturation.
 25. The method of claim 15, wherein the immune response comprises an adaptive immune response.
 26. The method of claim 25, wherein the adaptive immune response comprises an anti-tumor response.
 27. The method of claim 25, wherein the adaptive immune response comprises an anti-infection response.
 28. A method for inhibiting tumor growth in a subject, the method comprising administering to a subject a recombinant stress response polypeptide free of an antigen binding site, whereby tumor growth in a subject is inhibited.
 29. The method of claim 28, wherein the subject comprises a mammal.
 30. The method of claim 29, wherein the mammal comprises a human.
 31. The method of claim 28, wherein the recombinant stress response polypeptide comprises an extracellularly transported polypeptide when expressed in a host cell.
 32. The method of claim 28, wherein the recombinant stress response polypeptide comprises a recombinant polypeptide selected from the group consisting of a Hsp60 polypeptide, a Hsp70 polypeptide, a Hsp90 polypeptide, and a calreticulin polypeptide.
 33. The method of claim 32, wherein the Hsp90 polypeptide comprises a GRP94 polypeptide or a HSP90 polypeptide.
 34. The method of claim 33, wherein the GRP94 polypeptide comprises: (a) a polypeptide comprising an amino acid sequence of SEQ ID NO:2; (b) a polypeptide substantially identical to SEQ ID NO:2; (c) a polypeptide encoded by a nucleic acid of SEQ ID NO:1; or (d) a polypeptide encoded by a nucleic acie substantially identical to SEQ ID NO:1.
 35. The method of claim 33, wherein the GRP94 polypeptide comprises a polypeptide encoded by a nucleic acid molecule comprising: (a) an isolated nucleic acid molecule that hybridizes to a nucleic acid comprising a nucleotide sequence of SEQ ID NO:1 under wash stringency conditions represented by a wash solution having less than about 200 mM salt concentration and a wash temperature of greater than about 45° C., and that encodes a GRP94 polypeptide free of an antigenic peptide binding domain; and (b) an isolated nucleic acid differing by at least one functionally equivalent codon from the isolated nucleic acid molecule of (a) above in nucleic acid sequence due to the degeneracy of the genetic code, and that encodes a GRP94 polypeptide encoded by the isolated nucleic acid of (a) above.
 36. A method for inhibiting tumor metastasis in a subject, the method comprising administering to a subject a recombinant stress response polypeptide free of an antigen binding site, whereby tumor metastasis is inhibited.
 37. The method of claim 36, wherein the subject comprises a mammal.
 38. The method of claim 36, wherein the mammal comprises a human.
 39. The method of claim 36, wherein the recombinant stress response polypeptide comprises an extracellularly transported polypeptide when expressed in a host cell.
 40. The method of claim 36, wherein the recombinant stress response polypeptide comprises a recombinant polypeptide selected from the group consisting of a a Hsp60 polypeptide, a Hsp70 polypeptide, a Hsp90 polypeptide, and a calreticulin polypeptide.
 41. The method of claim 40, wherein the Hsp90 polypeptide comprises a GRP94 polypeptide or a HSP90 polypeptide.
 42. The method of claim 41, wherein the GRP94 polypeptide comprises: (a) a polypeptide comprising an amino acid sequence of SEQ ID NO:2; (b) a polypeptide substantially identical to SEQ ID NO:2; (c) a polypeptide encoded by a nucleic acid of SEQ ID NO:1; or (d) a polypeptide encoded by a nucleic acid substantially identical to SEQ ID NO:1.
 43. The method of claim 41, wherein the GRP94 polypeptide comprises a polypeptide encoded by a nucleic acid molecule comprising: (a) an isolated nucleic acid molecule that hybridizes to a nucleic acid comprising a nucleotide sequence of SEQ ID NO:1 under wash stringency conditions represented by a wash solution having less than about 200 mM salt concentration and a wash temperature of greater than about 45° C., and that encodes a GRP94 polypeptide free of an antigenic peptide binding domain; and (b) an isolated nucleic acid differing by at least one functionally equivalent codon from the isolated nucleic acid molecule of (a) above in nucleic acid sequence due to the degeneracy of the genetic code, and that encodes a GRP94 polypeptide encoded by the isolated nucleic acid of (a) above.
 44. A method of inhibiting tumor growth in a subject, the method comprising: (a) transfecting a culture of healthy cells with a construct encoding a stress response polypeptide, wherein the stress response polypeptide comprises an extracellularly transported polypeptide when expressed in the healthy cell; and (b) administering to a subject the culture of transfected healthy cells, whereby tumor growth in the subject is inhibited.
 45. The method of claim 44, wherein the culture of healthy cells comprises a culture of non-cancerous cells.
 46. The method of claim 44, wherein the culture of healthy cells comprises cells heterolgous to the subject.
 47. The method of claim 44, wherein the stress response polypeptide comprises a secreted polypeptide.
 48. The method of claim 44, wherein the recombinant stress response polypeptide comprises a recombinant polypeptide selected from the group consisting of a Hsp60 polypeptide, a Hsp70 polypeptide, a Hsp90 polypeptide, and a calreticulin polypeptide.
 49. The method of claim 48, wherein the Hsp90 polypeptide comprises a GRP94 polypeptide or a HSP90 polypeptide.
 50. The method of claim 49, wherein the GRP94 polypeptide comprises: (a) a polypeptide comprising an amino acid sequence of SEQ ID NO:22; (b) a polypeptide substantially identical to SEQ ID NO:22; (c) a polypeptide encoded by a nucleic acid of SEQ ID NO:21; or (d) a polypeptide peptide encoded by a nucleic acid substantially identical to SEQ ID NO:21.
 51. The method of claim 49, wherein the GRP94 polypeptide comprises a polypeptide encoded by a nucleic acid molecule comprising: (a) an isolated nucleic acid molecule that hybridizes to a nucleic acid comprising a nucleotide sequence of SEQ ID NO:21 under wash stringency conditions represented by a wash solution having less than about 200 mM salt concentration and a wash temperature of greater than about 45° C., and that encodes a GRP94 polypeptide free of an antigen binding domain; and (b) an isolated nucleic acid differing by at least one functionally equivalent codon from the isolated nucleic acid molecule of (a) above in nucleic acid sequence due to the degeneracy of the genetic code, and that encodes a GRP94 polypeptide encoded by the isolated nucleic acid of (a) above.
 52. The method of claim 44, wherein the subject comprises a mammal.
 53. The method of claim 52, wherein the mammal comprises a human.
 54. A method of inhibiting tumor metastasis in a subject, the method comprising: (a) transfecting a culture of healthy cells with a construct encoding a stress response polypeptide, wherein the stress response polypeptide comprises an extracellularly transported polypeptide when expressed in the healthy cell; and (b) administering to a subject the culture of transfected healthy cells, whereby tumor metastasis in the subject is inhibited.
 55. The method of claim 54, wherein the culture of healthy cells comprises a culture of non-cancerous cells.
 56. The method of claim 54, wherein the culture of healthy cells comprises cells heterolgous to the subject.
 57. The method of claim 54, wherein the stress response polypeptide comprises a secreted polypeptide.
 58. The method of claim 54, wherein the recombinant stress response polypeptide comprises a recombinant polypeptide selected from the group consisting of a Hsp60 polypeptide, a Hsp70 polypeptide, a Hsp90 polypeptide, and a calreticulin polypeptide.
 59. The method of claim 58, wherein the Hsp90 polypeptide comprises a GRP94 polypeptide or a HSP90 polypeptide.
 60. The method of claim 59, wherein the GRP94 polypeptide comprises: (a) a polypeptide comprising an amino acid sequence of SEQ ID NO:22; (b) a polypeptide substantially identical to SEQ ID NO:22; (c) a polypeptide encoded by a nucleic acid of SEQ ID NO:21; or (d) a polypeptide peptide encoded by a nucleic acid substantially identical to SEQ ID NO:21.
 61. The method of claim 69, wherein the GRP94 polypeptide comprises a polypeptide encoded by a nucleic acid molecule comprising: (a) an isolated nucleic acid molecule that hybridizes to a nucleic acid comprising a nucleotide sequence of SEQ ID NO:21 under wash stringency conditions represented by a wash solution having less than about 200 mM salt concentration and a wash temperature of greater than about 45° C., and that encodes a GRP94 polypeptide free of an antigen binding domain; and (b) an isolated nucleic acid differing by at least one functionally equivalent codon from the isolated nucleic acid molecule of (a) above in nucleic acid sequence due to the degeneracy of the genetic code, and that encodes a GRP94 polypeptide encoded by the isolated nucleic acid of (a) above.
 62. The method of claim 54, wherein the subject comprises a mammal.
 63. The method of claim 62, wherein the mammal comprises a human. 